Definition of water equivalent in English:

water equivalent

noun

  • 1Meteorology. More fully "snow water equivalent". The amount of precipitation represented by a quantity of snow, sleet, or ice.

  • 2Physics. The amount of water, measured in terms of mass, which requires the same amount of heat as a given body in order to raise its temperature by the same amount. Now rare.

Origin

Mid 19th century (in an earlier sense). From water + equivalent.

Pronunciation

water equivalent

/ˈwɔːtə(r) ɪˌkwɪvələnt/