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kc |
abbreviation of "kilocycle," or "kilocycles," a unit of frequency equal to one thousand cycles per second or one thousand hertz; kilohertz. |
kHz |
abbreviation of "kilohertz," a unit of frequency equal to one thousand cycles per second or one thousand hertz; kilocycle. |
kilocycle |
see "kilohertz." |
kilohertz |
a unit that measures the frequency of radio waves. One kilohertz is equal to one thousand cycles per second. (abbreviated: kHz) |
long wave |
a low-frequency electromagnetic wave, usu. a radio wave that is longer than one thousand meters and below three hundred kilohertz in frequency. |
low frequency |
any radio frequency between thirty and three hundred kilohertz per second. |
medium frequency |
any radio wave with a frequency of between three hundred and three thousand kilohertz. |
phon |
a unit of loudness of sound, relative to a pure tone of one kilohertz, the difference being measured either objectively with acoustical equipment, or subjectively. |
radiofrequency |
any frequency of electromagnetic waves between approximately ten kilohertz and 300 gigahertz, that can be used for radio transmission. |
radio spectrum |
the portion of the electromagnetic spectrum consisting of radio waves, esp. those most frequently used in radio and television broadcasting, from ten kilohertz to 300 gigahertz. |
radio wave |
an electromagnetic wave with a wavelength of between one millimeter and thirty thousand meters, or a frequency of between ten kilohertz and three hundred thousand megahertz. |
sone |
a unit of loudness equal to the loudness of a sound of one kilohertz at forty decibels above the threshold of hearing of a listener. |
very low frequency |
any radio frequency between ten and thirty kilohertz. (abbr.: VLF) |
VLF |
abbreviation of "very low frequency," any radio frequency between ten and thirty kilohertz. |
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