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kilohertz

[ kil-uh-hurts ]

noun

, Physics.
, plural kil·o·hertz, kil·o·hertz·es.
  1. a unit of frequency, equal to 1000 cycles per second. : kHz


kilohertz

/ ˈkɪləʊˌhɜːts /

noun

  1. one thousand hertz; one thousand cycles per second kHz
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


kilohertz

/ kĭlə-hûrts′ /

  1. 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.


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Word History and Origins

Origin of kilohertz1

First recorded in 1925–30; kilo- + hertz
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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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