H

Definition:

1. [noun] 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
   Synonyms: ydrogen, atomic number 1

2. [noun] 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
   Synonyms: enry

3. [noun] the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10\-34 joule-second
   Synonyms: Planck’s constant

4. [noun] the 8th letter of the Roman alphabet
5. [noun] (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: eat content, total eat, entalpy

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Related Words:

• tritium