hs Meaning, Definition & Usage

1. noun a radioactive transuranic element
   atomic number 108; hassium; element 108.
   
2. 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
   H; hydrogen; atomic number 1.
   
3. 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
   H; henry.
   
4. 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; h.
   
5. noun the 8th letter of the Roman alphabet
   h.
   
6. noun (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure
   H; heat content; total heat; enthalpy.
   
   • enthalpy is the amount of energy in a system capable of doing mechanical work

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