Hyperonyms
(has_hyperonym)
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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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Hyperonyms
(has_hyperonym)
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14877585-n:
a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
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Hyponyms
(has_hyponym)
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14611521-n:
a radioactive isotope of hydrogen; atoms of tritium have three times the mass of ordinary hydrogen atoms
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Holonyms
(has_holo_madeof)
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14845743-n:
binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent
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Related
(related_to)
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00308534-v:
combine or treat with or expose to hydrogen; add hydrogen to the molecule of (an unsaturated organic compound)
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Glosses
(gloss)
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00013887-a:
present in great quantity
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Glosses
(gloss)
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00106921-r:
under normal conditions
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Glosses
(gloss)
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00404202-a:
weak in color; not colorful
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Glosses
(gloss)
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00473658-a:
easily ignited
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Glosses
(gloss)
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01057775-a:
having no odor
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Glosses
(gloss)
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01186408-a:
of comparatively little physical weight or density
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Glosses
(gloss)
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01529293-a:
not containing or resembling or characteristic of a metal
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Glosses
(gloss)
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01546222-a:
having a valence of 1
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Glosses
(gloss)
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02174896-a:
having few parts; not complex or complicated or involved
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Glosses
(gloss)
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02884949-a:
of or relating to a molecule made up of two atoms
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Glosses
(gloss)
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09466280-n:
everything that exists anywhere
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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
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Glosses
(gloss)
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14877585-n:
a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
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Glosses
(rgloss)
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00026388-a:
resembling a compound formed by replacing hydrogen in an acid by a metal
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Glosses
(rgloss)
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00237877-v:
to remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase in the number of electrons
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Glosses
(rgloss)
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00308399-v:
remove hydrogen from
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Glosses
(rgloss)
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00308534-v:
combine or treat with or expose to hydrogen; add hydrogen to the molecule of (an unsaturated organic compound)
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Glosses
(rgloss)
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03275864-n:
a cell containing an electrolyte in which an applied voltage causes a reaction to occur that would not occur otherwise (such as the breakdown of water into hydrogen and oxygen)
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Glosses
(rgloss)
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03400798-n:
cell that produces electricity by oxidation of fuel (hydrogen and oxygen or zinc and air); often used in electric cars
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Glosses
(rgloss)
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03553248-n:
a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium
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Glosses
(rgloss)
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04941809-n:
the density of a gas relative to the density of hydrogen
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Glosses
(rgloss)
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05039106-n:
(from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic);
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Glosses
(rgloss)
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09307719-n:
a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus
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Glosses
(rgloss)
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09366940-n:
an immense cloud of gas (mainly hydrogen) and dust in interstellar space
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Glosses
(rgloss)
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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)
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10888401-n:
British chemist and physicist who established that water is a compound of hydrogen and oxygen and who calculated the density of the earth (1731-1810)
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Glosses
(rgloss)
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11510411-n:
large eruptions of luminous hydrogen gas that rise thousands of kilometers above the chromosphere
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Glosses
(rgloss)
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13456367-n:
the process of removing a carboxyl group from a chemical compound (usually replacing it with hydrogen)
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Glosses
(rgloss)
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13490683-n:
an industrial process for producing ammonia from nitrogen and hydrogen by combining them under high pressure in the presence of an iron catalyst
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Glosses
(rgloss)
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13494472-n:
the process whereby hydrocarbon molecules of petroleum are broken down into kerosene and gasolene by the addition of hydrogen under high pressure in the presence of a catalyst
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Glosses
(rgloss)
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13494919-n:
a chemical reaction in which water reacts with a compound to produce other compounds; involves the splitting of a bond and the addition of the hydrogen cation and the hydroxide anion from the water
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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
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Glosses
(rgloss)
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13717914-n:
the weight of a liter of hydrogen (at 0 centigrade and 760 millimeters pressure)
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Glosses
(rgloss)
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14019600-n:
abnormally high acidity (excess hydrogen-ion concentration) of the blood and other body tissues
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Glosses
(rgloss)
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14021266-n:
abnormally high alkalinity (low hydrogen-ion concentration) of the blood and other body tissues
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Glosses
(rgloss)
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14021471-n:
alkalosis resulting from hydrogen-ion loss or excessive intake of alkaline substances
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Glosses
(rgloss)
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14611521-n:
a radioactive isotope of hydrogen; atoms of tritium have three times the mass of ordinary hydrogen atoms
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Glosses
(rgloss)
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14640756-n:
an atom of hydrogen
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Glosses
(rgloss)
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14641046-n:
an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)
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Glosses
(rgloss)
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14686352-n:
fuel consisting of the remains of organisms preserved in rocks in the earth's crust with high carbon and hydrogen content
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Glosses
(rgloss)
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14743582-n:
a pungent gas compounded of nitrogen and hydrogen (NH3)
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Glosses
(rgloss)
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14862481-n:
a gas made of carbon monoxide and hydrogen and nitrogen; made by passing air over hot coke
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Glosses
(rgloss)
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14878650-n:
a mixture of hydrogen and carbon monoxide with small amounts of other gases; made by blowing steam over hot coke or coal
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Glosses
(rgloss)
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14910748-n:
any binary compound formed by the union of hydrogen and other elements
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Glosses
(rgloss)
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14911057-n:
an organic compound containing only carbon and hydrogen
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Glosses
(rgloss)
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14937366-n:
a saltlike binary compound (CaH2) used as a reducing agent and source of hydrogen
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Glosses
(rgloss)
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14955682-n:
an acid tartrate; a hydrogen tartrate
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Glosses
(rgloss)
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15010703-n:
a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)
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