Link Centre Dictionary

H

UK/eɪtʃ/ US/heɪtʃ/ common slang uk

noun

1.

a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe

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2.

a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second

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3.

the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second

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4.

the 8th letter of the Roman alphabet

5.

(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure

  • “enthalpy is the amount of energy in a system capable of doing mechanical work”
Synonyms

Origin

Borrowed from Japanese H, alternative form of エッチ (etchi), in turn from English H as an abbreviation of Japanese 変態 (hentai, “pervert”). A doublet of ecchi (“erotic, lascivious”) and hentai (“pornographic anime, manga, etc.”).

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.