[ 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
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