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Dictionary

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

 

Hyponyms: tritium

 

Substance Meronyms: water, H2O

 

Member Meronyms: Roman alphabet, Latin alphabet

 

Derivational Morphology: hydrogenate

 

 
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