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h
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,
h
noun()(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure
Synonyms: enthalpy, heat content, total heat,
Examples:
Enthalpy is the amount of energy in a system capable of doing mechanical work.
h
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: atomic number 1, hydrogen,
h
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: henry,
h
noun()the 8th letter of the Roman alphabet