Hyperonyms
(has_hyperonym)
|
00019613-n:
the real physical matter of which a person or thing consists
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Hyponyms
(has_hyponym)
|
14619658-n:
one of two or more atoms with the same atomic number but with different numbers of neutrons
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Hyponyms
(has_hyponym)
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14621080-n:
(chemistry) an atom having a valence of one
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Hyponyms
(has_hyponym)
|
14633781-n:
an atom of carbon
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Hyponyms
(has_hyponym)
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14640756-n:
an atom of hydrogen
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Hyponyms
(has_hyponym)
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14874196-n:
an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule
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Holonyms
(has_holo_part)
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14622893-n:
any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
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Holonyms
(has_holo_part)
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14682133-n:
(physics and chemistry) the simplest structural unit of an element or compound
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Meronyms
(has_mero_part)
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09272085-n:
(physics) a particle that is less complex than an atom; regarded as constituents of all matter
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Meronyms
(has_mero_part)
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09375085-n:
the positively charged dense center of an atom
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Related
(has_pertainym)
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02884619-a:
of or relating to or comprising atoms
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Related
(has_pertainym)
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02884766-a:
of or relating to an element consisting of a single atom
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Related
(has_pertainym)
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02884949-a:
of or relating to a molecule made up of two atoms
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Related
(has_pertainym)
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02885076-a:
of or relating to a molecule made up of more than two atoms
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Related
(has_pertainym)
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02885192-a:
of or relating to constituents of the atom or forces within the atom
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Related
(related_to)
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00330144-v:
break up into small particles
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Related
(related_to)
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01373138-v:
spray very finely
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Related
(related_to)
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02884619-a:
of or relating to or comprising atoms
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Domain
(category)
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06084469-n:
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
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Domain
(category)
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06090869-n:
the science of matter and energy and their interactions
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Glosses
(gloss)
|
01391351-a:
limited or below average in number or quantity or magnitude or extent
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Glosses
(gloss)
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05009758-n:
a property used to characterize materials in reactions that change their identity
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Glosses
(gloss)
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14622893-n:
any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
|
Glosses
(rgloss)
|
00209598-v:
to undergo a reversible or temporary breakdown of a molecule into simpler molecules or atoms
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Glosses
(rgloss)
|
00218602-n:
annihilation by reducing something to atoms
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Glosses
(rgloss)
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00308775-v:
change (a compound) by increasing the proportion of the electronegative part; or change (an element or ion) from a lower to a higher positive valence: remove one or more electrons from (an atom, ion, or molecule)
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Glosses
(rgloss)
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00330751-v:
scatter (radiation) by the atoms of the medium through which it passes
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Glosses
(rgloss)
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00556001-v:
cause to undergo a process in which atoms are removed
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Glosses
(rgloss)
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00650932-v:
distinguish (an element or atom) by using a radioactive isotope or an isotope of unusual mass for tracing through chemical reactions
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Glosses
(rgloss)
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00651480-v:
distinguish (as a compound or molecule) by introducing a labeled atom
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Glosses
(rgloss)
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00676555-a:
of a compound having atoms arranged in a ring structure
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Glosses
(rgloss)
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00676855-a:
having atoms linked by bonds represented in circular or triangular form
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Glosses
(rgloss)
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00676999-a:
containing a closed ring of atoms of which at least one is not a carbon atom
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Glosses
(rgloss)
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00677170-a:
containing a closed ring of atoms of the same kind especially carbon atoms
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Glosses
(rgloss)
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00757408-a:
used of a compound (especially of carbon) containing atoms sharing more than one valence bond
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Glosses
(rgloss)
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02065652-v:
disturb or interfere with the usual path of an electron or atom
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Glosses
(rgloss)
|
02703124-n:
an atomic clock based on vibrational frequency of the nitrogen atom in the ammonia molecule
|
Glosses
(rgloss)
|
02753394-n:
a timepiece that derives its time scale from the vibration of atoms or molecules
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Glosses
(rgloss)
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02830223-a:
of molecules having relatively long chains of atoms in a molecule
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Glosses
(rgloss)
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02862444-a:
of or relating to or constituting the nucleus of an atom
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Glosses
(rgloss)
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02884619-a:
of or relating to or comprising atoms
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Glosses
(rgloss)
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02884766-a:
of or relating to an element consisting of a single atom
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Glosses
(rgloss)
|
02884949-a:
of or relating to a molecule made up of two atoms
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Glosses
(rgloss)
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02885076-a:
of or relating to a molecule made up of more than two atoms
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Glosses
(rgloss)
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02885192-a:
of or relating to constituents of the atom or forces within the atom
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Glosses
(rgloss)
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02905356-a:
containing one atom of metal in the molecule
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Glosses
(rgloss)
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03583809-n:
a vacuum pump that removes gas by ionizing the atoms or molecules and adsorbing them on a metal surface
|
Glosses
(rgloss)
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04944513-n:
(chemistry) the tendency of an atom or radical to attract electrons in the formation of an ionic bond
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Glosses
(rgloss)
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05013204-n:
(cryogenics) the lowest temperature theoretically attainable (at which the kinetic energy of atoms and molecules is minimal); 0 Kelvin or -273.15 centigrade or -459.67 Fahrenheit
|
Glosses
(rgloss)
|
05026312-n:
(chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule
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Glosses
(rgloss)
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05034473-n:
(chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent)
|
Glosses
(rgloss)
|
05034761-n:
valence characterized by the sharing of electrons in a chemical compound; the number of pairs of electrons an atom can share
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Glosses
(rgloss)
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05413873-n:
thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer
|
Glosses
(rgloss)
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05732086-n:
a 3-dimensional geometric arrangement of the atoms or molecules or ions composing a crystal
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Glosses
(rgloss)
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06103270-n:
a theory of the structure of the atom
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Glosses
(rgloss)
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06103746-n:
first modern concept of atomic structure; all of the positive charge and most of the mass of the atom are contained in a compact nucleus; a number of electrons (equal to the atomic number) occupy the rest of the volume of the atom and neutralize the positive charge
|
Glosses
(rgloss)
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06112223-n:
the branch of quantum physics that is concerned with the theory of fields; it was motivated by the question of how an atom radiates light as its electrons jump from excited states
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Glosses
(rgloss)
|
06817312-n:
an expanded molecular formula showing the arrangement of atoms within the molecule
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Glosses
(rgloss)
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06817459-n:
a chemical formula showing the ratio of elements in a compound rather than the total number of atoms
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Glosses
(rgloss)
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07312829-n:
(chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule
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Glosses
(rgloss)
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07359377-n:
(physics) an abrupt transition of an electron or atom or molecule from one quantum state to another with the emission or absorption of a quantum
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Glosses
(rgloss)
|
07959659-n:
a grouping of electrons surrounding the nucleus of an atom
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Glosses
(rgloss)
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08612340-n:
the path of an electron around the nucleus of an atom
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Glosses
(rgloss)
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09194052-n:
a positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes
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Glosses
(rgloss)
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09228492-n:
an open chain of atoms with one or more side chains attached to it
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Glosses
(rgloss)
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09240621-n:
(chemistry) a series of linked atoms (generally in an organic molecule)
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Glosses
(rgloss)
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09246883-n:
(chemistry) a chain of atoms in a molecule that forms a closed loop
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Glosses
(rgloss)
|
09272085-n:
(physics) a particle that is less complex than an atom; regarded as constituents of all matter
|
Glosses
(rgloss)
|
09285648-n:
electron that is not attached to an atom or ion or molecule but is free to move under the influence of an electric field
|
Glosses
(rgloss)
|
09302400-n:
a ring of atoms of more than one kind; especially a ring of carbon atoms containing at least one atom that is not carbon
|
Glosses
(rgloss)
|
09307719-n:
a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus
|
Glosses
(rgloss)
|
09315159-n:
a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
|
Glosses
(rgloss)
|
09343266-n:
(chemistry) a relatively long chain of atoms in a molecule
|
Glosses
(rgloss)
|
09375085-n:
the positively charged dense center of an atom
|
Glosses
(rgloss)
|
09378929-n:
a chain of atoms in a molecule whose ends are not joined to form a ring
|
Glosses
(rgloss)
|
09391089-n:
an electron that is emitted from an atom or molecule by an incident photon
|
Glosses
(rgloss)
|
09446012-n:
an open chain of atoms with no side chains
|
Glosses
(rgloss)
|
09465795-n:
the smallest group of atoms or molecules whose repetition at regular intervals in three dimensions produces the lattices of a crystal
|
Glosses
(rgloss)
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09468447-n:
an electron in the outer shell of an atom which can combine with other atoms to form molecules
|
Glosses
(rgloss)
|
10855200-n:
Danish physicist who studied atomic structure and radiations; the Bohr theory of the atom accounted for the spectrum of hydrogen (1885-1962)
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Glosses
(rgloss)
|
10903918-n:
British physicist who (with Ernest Walton in 1931) first split an atom (1897-1967)
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Glosses
(rgloss)
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11053559-n:
English physiologist who, with Andrew Huxley, discovered the role of potassium and sodium atoms in the transmission of the nerve impulse (1914-1998)
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Glosses
(rgloss)
|
11167088-n:
United States physicist (born in Germany) noted for her research on the structure of the atom (1906-1972)
|
Glosses
(rgloss)
|
11246718-n:
Russian physicist whose research into ways of moving electrons around atoms led to the development of masers and lasers for producing high-intensity radiation (1916-2002)
|
Glosses
(rgloss)
|
11276285-n:
British physicist (born in New Zealand) who discovered the atomic nucleus and proposed a nuclear model of the atom (1871-1937)
|
Glosses
(rgloss)
|
11372896-n:
Irish physicist who (with Sir John Cockcroft in 1931) first split an atom (1903-1995)
|
Glosses
(rgloss)
|
11386138-n:
United States physicist (born in Hungary) noted for his work on the structure of the atom and its nucleus (1902-1995)
|
Glosses
(rgloss)
|
11405437-n:
Dutch physicist honored for his research on the influence of magnetism on radiation which showed that light is radiated by the motion of charged particles in an atom (1865-1943)
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Glosses
(rgloss)
|
11409059-n:
any natural phenomenon involving chemistry (as changes to atoms or molecules)
|
Glosses
(rgloss)
|
11409538-n:
chemical process in which one atom or ion or group changes places with another
|
Glosses
(rgloss)
|
11422822-n:
the force attracting atoms to each other and binding them together in a molecule
|
Glosses
(rgloss)
|
11426288-n:
(physics) a spectrum of radiation caused by electron transitions within an atom; the series of spectrum lines is characteristic of the element
|
Glosses
(rgloss)
|
11429057-n:
the energy required to separate particles from a molecule or atom or nucleus; equals the mass defect
|
Glosses
(rgloss)
|
11436283-n:
an electrical force linking atoms
|
Glosses
(rgloss)
|
11436748-n:
a chemical bond that involves sharing a pair of electrons between atoms in a molecule
|
Glosses
(rgloss)
|
11436929-n:
a side bond that links two adjacent chains of atoms in a complex molecule
|
Glosses
(rgloss)
|
11437111-n:
a chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond
|
Glosses
(rgloss)
|
11437344-n:
a chemical bond in which one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion
|
Glosses
(rgloss)
|
11437823-n:
a covalent bond in which two pairs of electrons are shared between two atoms
|
Glosses
(rgloss)
|
11437957-n:
a covalent bond in which both electrons are provided by one of the atoms
|
Glosses
(rgloss)
|
11452750-n:
a definite stable energy that a physical system can have; used especially of the state of electrons in atoms or molecules
|
Glosses
(rgloss)
|
11475476-n:
a spectrum in which energy is concentrated at particular wavelengths; produced by excited atoms and ions as they fall back to a lower energy level
|
Glosses
(rgloss)
|
11478682-n:
resonance of electrons or atoms or molecules or nuclei to radiation frequencies as a result of space quantization in a magnetic field
|
Glosses
(rgloss)
|
11485907-n:
a collimated flow of particles (atoms or electrons or molecules)
|
Glosses
(rgloss)
|
11516819-n:
(physics) the interaction that binds protons and neutrons together in the nuclei of atoms; mediated by gluons
|
Glosses
(rgloss)
|
11522815-n:
relatively weak attraction between neutral atoms and molecules arising from polarization induced in each particle by the presence of other particles
|
Glosses
(rgloss)
|
11527386-n:
the scattering of X rays by the atoms of a crystal; the diffraction pattern shows structure of the crystal
|
Glosses
(rgloss)
|
13445624-n:
a self-sustaining nuclear reaction; a series of nuclear fissions in which neutrons released by splitting one atom leads to the splitting of others
|
Glosses
(rgloss)
|
13460863-n:
the removal of iodine atoms from organic compounds
|
Glosses
(rgloss)
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13474290-n:
the release of electrons from parent atoms
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Glosses
(rgloss)
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13480394-n:
the emission of electrons that are stripped from parent atoms by a high electric field
|
Glosses
(rgloss)
|
13502556-n:
the substitution or addition of iodine atoms in organic compounds
|
Glosses
(rgloss)
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13502909-n:
the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas
|
Glosses
(rgloss)
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13523503-n:
(astronomy) the cosmic synthesis of atoms more complex than the hydrogen atom
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Glosses
(rgloss)
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13547677-n:
any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent
|
Glosses
(rgloss)
|
13554586-n:
the action of forming a chelate or other stable compound with an ion or atom or molecule so that it is no longer available for reactions
|
Glosses
(rgloss)
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13591314-n:
the degree of oxidation of an atom or ion or molecule; for simple atoms or ions the oxidation number is equal to the ionic charge
|
Glosses
(rgloss)
|
13598715-n:
the order of an element in Mendeleyev's table of the elements; equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element
|
Glosses
(rgloss)
|
13715495-n:
unit of mass for expressing masses of atoms or molecules
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Glosses
(rgloss)
|
13820239-n:
(physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present
|
Glosses
(rgloss)
|
13924196-n:
(physics) the lowest energy state of an atom or other particle
|
Glosses
(rgloss)
|
14481511-n:
(physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors; a gas becomes a plasma when it is heated until the atoms lose all their electrons, leaving a highly electrified collection of nuclei and free electrons
|
Glosses
(rgloss)
|
14601178-n:
an aliphatic compound that contains a ring of atoms
|
Glosses
(rgloss)
|
14601646-n:
organic compound in which halogen atoms have been substituted for hydrogen atoms in an alkane
|
Glosses
(rgloss)
|
14611521-n:
a radioactive isotope of hydrogen; atoms of tritium have three times the mass of ordinary hydrogen atoms
|
Glosses
(rgloss)
|
14619658-n:
one of two or more atoms with the same atomic number but with different numbers of neutrons
|
Glosses
(rgloss)
|
14620257-n:
a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms; very stable; used in fire extinguishers although it is thought to release bromine that depletes the ozone layer
|
Glosses
(rgloss)
|
14620895-n:
compounds with the formula CHX3, where X is a halogen atom
|
Glosses
(rgloss)
|
14621080-n:
(chemistry) an atom having a valence of one
|
Glosses
(rgloss)
|
14621446-n:
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule
|
Glosses
(rgloss)
|
14627529-n:
acid dye in which the negative ion contains a chelated metal atom
|
Glosses
(rgloss)
|
14628494-n:
a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
|
Glosses
(rgloss)
|
14633781-n:
an atom of carbon
|
Glosses
(rgloss)
|
14640756-n:
an atom of hydrogen
|
Glosses
(rgloss)
|
14649775-n:
a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239
|
Glosses
(rgloss)
|
14689817-n:
any monosaccharide sugar containing three atoms of carbon per molecule
|
Glosses
(rgloss)
|
14689940-n:
any monosaccharide sugar containing four atoms of carbon per molecule
|
Glosses
(rgloss)
|
14690063-n:
any monosaccharide sugar containing five atoms of carbon per molecule
|
Glosses
(rgloss)
|
14690335-n:
an oxide containing five atoms of oxygen in the molecule
|
Glosses
(rgloss)
|
14709102-n:
any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom
|
Glosses
(rgloss)
|
14727508-n:
water containing a substantial proportion of deuterium atoms, used in nuclear reactors
|
Glosses
(rgloss)
|
14771088-n:
a compound made up of a ring of four carbon atoms and one sulfur atom and one nitrogen atom
|
Glosses
(rgloss)
|
14806838-n:
material produced by or used in a reaction involving changes in atoms or molecules
|
Glosses
(rgloss)
|
14808752-n:
organic compounds containing the group -COX where X is a halogen atom
|
Glosses
(rgloss)
|
14817592-n:
a compound described in terms of the central atom to which other atoms are bound or coordinated
|
Glosses
(rgloss)
|
14834807-n:
tyrosine with one iodine atom added
|
Glosses
(rgloss)
|
14834906-n:
tyrosine with two iodine atoms added
|
Glosses
(rgloss)
|
14835230-n:
thyronine with three iodine atoms added
|
Glosses
(rgloss)
|
14836127-n:
an oxide containing two atoms of oxygen in the molecule
|
Glosses
(rgloss)
|
14874196-n:
an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule
|
Glosses
(rgloss)
|
14923337-n:
a compound containing two atoms of sulfur combined with iron
|
Glosses
(rgloss)
|
14924188-n:
a compound that exists in forms having different arrangements of atoms but the same molecular weight
|
Glosses
(rgloss)
|
14954601-n:
an oxide containing just one atom of oxygen in the molecule
|
Glosses
(rgloss)
|
15016984-n:
any compound containing three chlorine atoms in each molecule
|
Glosses
(rgloss)
|
15017343-n:
a compound containing two chlorine atoms per molecule
|
Glosses
(rgloss)
|
15017604-n:
any compound containing a chlorine atom
|
Glosses
(rgloss)
|
15024997-n:
a complex red organic pigment containing iron and other atoms to which oxygen binds
|
Glosses
(rgloss)
|
15040899-n:
any of a large class of compounds that have alternate silicon and oxygen atoms
|
Glosses
(rgloss)
|
15051705-n:
a homogeneous solid that can exist over a range of component chemicals; a constituent of alloys that is formed when atoms of an element are incorporated into the crystals of a metal
|
Glosses
(rgloss)
|
15068754-n:
any compound that contains four chlorine atoms per molecule
|
Glosses
(rgloss)
|
15069046-n:
any halide containing four halogen atoms in its molecules
|
Glosses
(rgloss)
|
15079030-n:
any of three isomeric compounds having three carbon and three nitrogen atoms in a six-membered ring
|
Glosses
(rgloss)
|
15079925-n:
an oxide containing three atoms of oxygen in the molecule
|
Glosses
(rgloss)
|
15110307-n:
a substance (an atom or molecule or radical or ion) that forms a complex around a central atom
|
Glosses
(rgloss)
|
15275094-n:
the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)
|
