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hertz

[hurts]
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noun, plural hertz, hertz·es.
  1. the standard unit of frequency in the International System of Units(SI), equal to one cycle per second. Abbreviation: Hz
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Origin of hertz

First recorded in 1925–30; named after H. R. Hertz

Hertz

[hurts, hairts; German herts]
noun
  1. Gu·stav [goo s-tahf] /ˈgʊs tɑf/, 1887–1975, German physicist: Nobel Prize 1925.
  2. Hein·rich Ru·dolph [hahyn-rikh roo-dawlf] /ˈhaɪn rɪx ˈru dɔlf/, 1857–94, German physicist.
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Related formsHertz·i·an [hurt-see-uh n, hairt-] /ˈhɜrt si ən, ˈhɛərt-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for hertz

hertz

noun plural hertz
  1. the derived SI unit of frequency; the frequency of a periodic phenomenon that has a periodic time of 1 second; 1 cycle per secondSymbol: Hz
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Word Origin

C20: named after Heinrich Rudolph Hertz

Hertz

noun
  1. Gustav (ˈɡʊstaf). 1887–1975, German atomic physicist. He provided evidence for the quantum theory by his research with Franck on the effects produced by bombarding atoms with electrons: they shared the Nobel prize for physics (1925)
  2. Heinrich Rudolph (ˈhainrɪç ˈruːdɔlf). 1857–94, German physicist. He was the first to produce electromagnetic waves artificially
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Derived FormsHertzian, adjective
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

Word Origin and History for hertz

Hertz

unit of frequency equal to one cycle per second, 1928, named in reference to German physicist Heinrich Hertz (1857-1894).

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Online Etymology Dictionary, © 2010 Douglas Harper

hertz in Medicine

hertz

(hûrts)
n. pl. hertz
  1. A unit of frequency equal to 1 cycle per second.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

hertz in Science

hertz

[hûrts]
  1. The SI derived unit used to measure the frequency of vibrations and waves, such as sound waves and electromagnetic waves. One hertz is equal to one cycle per second. The hertz is named after German physicist Heinrich Hertz (1857-1894).
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

hertz in Culture

hertz

[(hurts)]

The international unit of frequency: one cycle per second. The abbreviation for hertz is Hz.

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Note

Household current (see also current) in the United States is sixty hertz.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.