kilohertz

American  

[kil-uh-hurts] / ˈkɪl əˌhɜrts /

noun

Physics.

• kilohertz,
  plural
• kilohertzes
  plural

1. a unit of frequency, equal to 1000 cycles per second. kHz

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kilohertz British  

/ ˈkɪləʊˌhɜːts /

noun

1. kHz. one thousand hertz; one thousand cycles per second

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kilohertz Scientific  

/ kĭl′ə-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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Other Word Forms

Noun Inflected Forms

• kilohertz
  plural
• kilohertzes
  plural

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Etymology

Origin of kilohertz

First recorded in 1925–30; kilo- + hertz

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Example Sentences

See Examples For:

kilohertz

The peer-reviewed study found the pinnipeds were most sensitive to sounds around 3.2 kilohertz.

From Barron's ● Oct. 9, 2026

Observing the universe using GWs thus presents significant technological challenges, particularly in probing the high-frequency band above one kilohertz, where the usage of interferometry becomes strongly restricted.

From Science Daily ● Jun. 5, 2024

The result: The microphone picked up sounds at frequencies between 40 and 80 kilohertz — far above what the human ear can detect.

From Washington Post ● Apr. 4, 2023

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.

From Washington Times ● Apr. 2, 2023

The reason you have probably never heard a thirsty plant make noise is that the sounds are ultrasonic — about 20–100 kilohertz.

From Scientific American ● Mar. 31, 2023

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