Hyperonyms
(has_hyperonym)
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11450869-n:
radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
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Hyponyms
(has_hyponym)
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11500122-n:
a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth's surface
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Hyponyms
(has_hyponym)
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11500458-n:
a radio wave propagated on or near the earth's surface
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Hyponyms
(has_hyponym)
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11500570-n:
a radio wave used to transmit and receive messages
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Hyponyms
(has_hyponym)
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11501230-n:
a radio wave that can be modulated in order to transmit a signal
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Hyponyms
(has_hyponym)
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11507174-n:
a radio wave with a wavelength less than 100 meters (a frequency greater than 3 megahertz)
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Hyponyms
(has_hyponym)
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11507321-n:
a radio wave with a wavelength between 100 and 1000 meters (a frequency between 300 kilohertz and 3000 kilohertz)
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Hyponyms
(has_hyponym)
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11507511-n:
a radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz)
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Holonyms
(has_holo_part)
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11500968-n:
the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television
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Glosses
(gloss)
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05086269-n:
the distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wave
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Glosses
(gloss)
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11450869-n:
radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
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Glosses
(gloss)
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13658828-n:
a metric unit of length equal to one hundredth of a meter
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Glosses
(gloss)
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13659162-n:
the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)
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Glosses
(rgloss)
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00043411-a:
(of the sun) characterized by an increased occurrence of sunspots and flares and radio emissions
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Glosses
(rgloss)
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00907235-n:
transmission of photographs by radio waves
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Glosses
(rgloss)
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01007495-v:
transmit messages via radio waves
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Glosses
(rgloss)
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02517999-a:
having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end
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Glosses
(rgloss)
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03205304-n:
radio; determines the direction of incoming radio waves
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Glosses
(rgloss)
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04043619-n:
a photograph transmitted by radio waves
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Glosses
(rgloss)
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04044498-n:
a telephone that communicates by radio waves rather than along cables
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Glosses
(rgloss)
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04045255-n:
a housing for a radar antenna; transparent to radio waves
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Glosses
(rgloss)
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04167489-n:
a missile equipped with a device that is attracted toward some kind of emission (heat or light or sound or radio waves)
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Glosses
(rgloss)
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04954412-n:
the strength of a radio wave picked up by a radio telescope
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Glosses
(rgloss)
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05130210-n:
distance measured in terms of the speed of light (or radio waves)
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Glosses
(rgloss)
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06096759-n:
the branch of astronomy that detects and studies the radio waves emitted by celestial bodies
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Glosses
(rgloss)
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06275353-n:
transmission by radio waves
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Glosses
(rgloss)
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08582157-n:
the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves
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Glosses
(rgloss)
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08582613-n:
a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length
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Glosses
(rgloss)
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09402370-n:
a starlike object that may send out radio waves and other forms of energy; many have large red shifts
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Glosses
(rgloss)
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09403333-n:
an object that radiates radio waves
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Glosses
(rgloss)
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10927424-n:
United States electrical engineer who in 1907 patented the first triode vacuum tube, which made it possible to detect and amplify radio waves (1873-1961)
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Glosses
(rgloss)
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11037495-n:
English physicist and electrical engineer who helped develop telegraphic and telephonic communications; in 1902 (independent of A. E. Kennelly) he suggested the existence of an atmospheric layer that reflects radio waves back to earth (1850-1925)
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Glosses
(rgloss)
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11101250-n:
United States electrical engineer noted for his work on the theory of alternating currents; independently of Oliver Heaviside he discovered the existence of an atmospheric layer that reflects radio waves back to earth (1861-1939)
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Glosses
(rgloss)
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11469481-n:
electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
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Glosses
(rgloss)
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11482312-n:
a short electromagnetic wave (longer than infrared but shorter than radio waves); used for radar and microwave ovens and for transmitting telephone, facsimile, video and data
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Glosses
(rgloss)
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11500122-n:
a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth's surface
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Glosses
(rgloss)
|
11500458-n:
a radio wave propagated on or near the earth's surface
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Glosses
(rgloss)
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11500570-n:
a radio wave used to transmit and receive messages
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Glosses
(rgloss)
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11501230-n:
a radio wave that can be modulated in order to transmit a signal
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Glosses
(rgloss)
|
11507174-n:
a radio wave with a wavelength less than 100 meters (a frequency greater than 3 megahertz)
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Glosses
(rgloss)
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11507321-n:
a radio wave with a wavelength between 100 and 1000 meters (a frequency between 300 kilohertz and 3000 kilohertz)
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Glosses
(rgloss)
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11507511-n:
a radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz)
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Glosses
(rgloss)
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13919394-n:
the angle of arrival (or departure) of a radio wave with respect to the axis of an antenna array
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