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  • henry
    henry
    noun
    the standard unit of inductance in the International System of Units (SI), formally defined to be the inductance of a closed circuit in which an electromotive force of one volt is produced when the electric current in the circuit varies uniformly at a rate of one ampere per second. H
  • Henry
    Henry
    noun
    a .44 caliber lever-action repeating rifle, marketed in the U.S. in the early 1860s, using metallic cartridges and a tubular magazine capable of holding 16 rounds.
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henry

1 American  
[hen-ree] / ˈhɛn ri /

noun

Electricity.
henries, plural henrys plural
  1. the standard unit of inductance in the International System of Units (SI), formally defined to be the inductance of a closed circuit in which an electromotive force of one volt is produced when the electric current in the circuit varies uniformly at a rate of one ampere per second. H


Henry 2 American  
[hen-ree] / ˈhɛn ri /

noun

  1. a .44 caliber lever-action repeating rifle, marketed in the U.S. in the early 1860s, using metallic cartridges and a tubular magazine capable of holding 16 rounds.


Henry 3 American  
[hen-ree] / ˈhɛn ri /

noun

  1. Joseph, 1797–1878, U.S. physicist.

  2. O., pen name of William Sydney Porter.

  3. Patrick, 1736–99, American patriot, orator, and statesman.

  4. Cape, a cape in SE Virginia at the mouth of the Chesapeake Bay.

  5. Fort. Fort Henry.

  6. a male given name: from Germanic words meaning “home” and “kingdom.”


Henry 1 British  
/ ˈhɛnrɪ /

noun

  1. Joseph. 1797–1878, US physicist. He discovered the principle of electromagnetic induction independently of Faraday and constructed the first electromagnetic motor (1829). He also discovered self-induction and the oscillatory nature of electric discharges (1842)

  2. Patrick. 1736–99, American statesman and orator, a leading opponent of British rule during the War of American Independence

  3. Prince, known as Harry. born 1984, second son of Charles, Prince of Wales, and Diana, Princess of Wales

"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

henry 2 British  
/ ˈhɛnrɪ /

noun

  1.  H.  the derived SI unit of electric inductance; the inductance of a closed circuit in which an emf of 1 volt is produced when the current varies uniformly at the rate of 1 ampere per second

"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

Henry 1 Scientific  
  1. American physicist who studied electromagnetic phenomena. He discovered electrical induction independently of Michael Faraday, and constructed a small electromagnetic motor in 1829. He also developed a system of weather forecasting based on meteorological observations. The henry unit of inductance is named for him.


henry 2 Scientific  
/ hĕnrē /
  1. A SI derived unit of electrical inductance, especially of transformers and inductance coils. A current changing at the rate of one ampere per second in a circuit with an inductance of one henry induces an electromotive force of one volt.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of henry1

First recorded in 1890–95; named after J. Henry

Origin of Henry2

After Benjamin Tyler Henry (1821–98), U.S. inventor who designed it

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Topics: patrick henry college, god's harvard, , , Evangelical Christianity, , , , Patrick Henry College in Purcellville, Va.

From Salon Feb. 18, 2014

The jury saw an email from Goodman to colleagues sent on 14 April 2006 which said William and his friends were "upsetting other guests with their braying hooray henry antics".

From BBC Dec. 19, 2013

But that is more self-inductance than we can stand in most radio circuits, so we find it convenient to measure in smaller units called “mil-henries” which are thousandths of a henry.

From Letters of a Radio-Engineer to His Son by Mills, John

The henry is the inductance in a circuit in which the electromotive force induced is 1 volt when the inducing current varies at the rate of 1 ampere per second.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)

The units of inductance commonly used in radio work are the millihenry, which is the thousandth part of a henry; and the centimeter of inductance, which is one one-thousandth part of a microhenry.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)

In June, the BOE said it expected inflation to be 3.25% in the fourth quarter of this year, while Henry Cook, an economist at MUFG, sees a peak of 3.4% to 3.5%.

From The Wall Street Journal Jul. 28, 2026

Since then, that squad has been rejuvenated with exciting young talents - such as Henry Pollock, Freeman and Feyi-Waboso - while depth continues to be built.

From BBC Jul. 21, 2026

Henry Kissinger’s misdeeds in Cambodia couldn’t keep the College of William and Mary from appointing him chancellor.

From Salon Jul. 21, 2026

His nimble, stylish solo on Henry Mancini’s 1963 theme to the police-caper comedy “The Pink Panther” became cultural shorthand for an era of sly jazz panache.

From Los Angeles Times Jul. 21, 2026

Kate, Ferdie, and Henry fled to London, as far away from Leah as they could manage.

From "American Spirits" by Barb Rosenstock

Its formula is Inductive reactance = L ω wherein L is the inductance in henrys and ω is 2 π n, or twice 3.1416 times the frequency.

From Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. by Miller, Kempster

It would have a resistance at ordinary temperatures of 6,600 ohms, and an inductance of 460 henrys.

From Hertzian Wave Wireless Telegraphy by Fleming, John Ambrose

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