h

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
    

• the 8th letter of the Roman alphabet

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

• 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

• 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

Related words

• Synonyms: 
  heat content , total heat , enthalpy , H , Planck's constant , henry , hydrogen , atomic number 1