radio-
Webster Dictionary
a combining form indicating connection with, or relation to, a radius or ray; specifically (Anat.), with the radius of the forearm; as, radio-ulnar, radio-muscular, radio-carpal
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heterodyne
(heterodyne)
Princeton's WordNet
combine (a radio frequency wave) with a locally generated wave of a different frequency so as to produce a new frequency equal to the sum or the difference between the two
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superhet
(heterodyne receiver, superheterodyne receiver, superhet)
Princeton's WordNet
a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified
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superheterodyne receiver
(heterodyne receiver, superheterodyne receiver, superhet)
Princeton's WordNet
a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified
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heterodyne receiver
(heterodyne receiver, superheterodyne receiver, superhet)
Princeton's WordNet
a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified
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booster
(ˈbu stər)
Random House Webster's College Dictionary
a radio-frequency amplifier for a radio or television antenna and the receiving set.
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heterodyne
(ˈhɛt ər əˌdaɪn)
Random House Webster's College Dictionary
pertaining to a method of changing the frequency of an incoming radio signal by adding it to a signal generated within the receiver to produce fluctuations of a frequency equal to the difference between the two signals.
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channel
(ˈtʃæn l)
Random House Webster's College Dictionary
a frequency band of sufficient width for one- or two-way communication from or to a transmitter for TV, radio, CB radio, telephone, or telegraph communication.
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fm
(ˈflaɪˌʰwil, -ˌwil)
Random House Webster's College Dictionary
frequency modulation: a method of impressing a signal on a radio carrier wave by varying the frequency of the carrier wave.
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frequency
Webster Dictionary
the condition of returning frequently; occurrence often repeated; common occurence; as, the frequency of crimes; the frequency of miracles
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low frequency
(ˈloʊs tɔft, -tɒft, -təf)
Random House Webster's College Dictionary
a radio frequency between 30 and 300 kilohertz.
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extremely low frequency
(ɪkˈstrim)
Random House Webster's College Dictionary
any radio frequency between 30 and 300 hertz.
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frequency modulation
(frequency modulation, FM)
Princeton's WordNet
modulation of the frequency of the (radio) carrier wave
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fm
(frequency modulation, FM)
Princeton's WordNet
modulation of the frequency of the (radio) carrier wave
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medium frequency
(for)
Random House Webster's College Dictionary
any radio frequency between 300 and 3000 kilohertz.
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superhigh frequency
(ˈsu pərˌhaɪ)
Random House Webster's College Dictionary
any radio frequency between 3000 and 30,000 megahertz.
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ultrahigh frequency
(ˌʌl trəˈhaɪ)
Random House Webster's College Dictionary
any radio frequency between 300 and 3000 megahertz.
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extremely high frequency
(ɪkˈstrim)
Random House Webster's College Dictionary
any radio frequency between 30 and 300 gigahertz. Abbr.: EHF
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tune
(tune)
Princeton's WordNet
the adjustment of a radio receiver or other circuit to a required frequency
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radiofrequency
(ˌreɪ di oʊˈɛl ə mənt)
Random House Webster's College Dictionary
a frequency within the range of radio transmission, from about 15,000 to 1011 hertz.
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long wave
(long wave)
Princeton's WordNet
a radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz)
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short wave
(short wave)
Princeton's WordNet
a radio wave with a wavelength less than 100 meters (a frequency greater than 3 megahertz)
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fm
(ˈflaɪˌʰwil, -ˌwil)
Random House Webster's College Dictionary
a system of radio broadcasting by means of frequency modulation.
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radiofrequency
(ˌreɪ di oʊˈɛl ə mənt)
Random House Webster's College Dictionary
the frequency of the transmitting waves of a given radio message or broadcast.
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d-layer
(D-layer, D region)
Princeton's WordNet
the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves
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d region
(D-layer, D region)
Princeton's WordNet
the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves
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tune
(tun, tyun)
Random House Webster's College Dictionary
proper adjustment, as of radio instruments or circuits with respect to frequency.
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dish aerial
(dish, dish aerial, dish antenna, saucer)
Princeton's WordNet
directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation
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dish antenna
(dish, dish aerial, dish antenna, saucer)
Princeton's WordNet
directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation
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saucer
(dish, dish aerial, dish antenna, saucer)
Princeton's WordNet
directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation
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