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kilohertz
[ kil-uh-hurts ]
noun
- a unit of frequency, equal to 1000 cycles per second. : kHz
kilohertz
/ ˈkɪləʊˌhɜːts /
noun
- one thousand hertz; one thousand cycles per second kHz
kilohertz
/ kĭl′ə-hûrts′ /
- A unit of frequency equal to 1,000 cycles per second (1,000 hertz). It is used in the measurement of radio, sound, and other waves.
Word History and Origins
Origin of kilohertz1
Example Sentences
The result: The microphone picked up sounds at frequencies between 40 and 80 kilohertz — far above what the human ear can detect.
The sounds are also emitted at the same volume that people talk to each other, but humans can’t pick up on noises that are higher than 16 kilohertz.
The reason you have probably never heard a thirsty plant make noise is that the sounds are ultrasonic — about 20–100 kilohertz.
When startled, grigs emit squeaks that soar into ultrasonic frequencies around 13 kilohertz to scare off predators.
For low-frequency tones, around four kilohertz, the mice that hit the lever got a slightly unpleasant surprise: a discomforting puff of air was blown at them.
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