DICT.TW Dictionary Taiwan

 H
      n 1: 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
           [syn: hydrogen, atomic number 1]
      2: 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 [syn: henry]
      3: the constant of proportionality relating the energy of a
         photon to its frequency; approximately 6.626 x 10\-34
         joule-second [syn: Planck's constant]
      4: the 8th letter of the Roman alphabet
      5: (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" [syn: heat
         content, total heat, enthalpy]