h

H

– definition :

  • (noun)
    1. (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure (context:attribute)
    2. the 8th letter of the Roman alphabet (context:communication)
    3. the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second (context:quantity)
    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 (context:quantity)
    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 (context:substance)

– Sample : “h”

  • enthalpy is the amount of energy in a system capable of doing mechanical work
h