h

phonetic symbol: / éɪtʃ / 

h - English Dictionary

[ noun ]
■ (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure
e.g.)
・enthalpy is the amount of energy in a system capable of doing mechanical work
enthalpy , heat content , total heat

[ noun ]
■ the 8th letter of the Roman alphabet

[ noun ]
■ the constant of proportionality relating the energy of a photon to its frequency
■ approximately 6.626 x 10^-34 joule-second
planck's constant

[ 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
henry

[ 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
atomic number 1 , hydrogen

Word list en

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