Water vapour which could form precipitation; the quantity of water vapour in an atmospheric column of unit cross-section, expressed as the mass or depth it would have if fully condensed to a liquid.
Origin
Early 20th century; earliest use found in Science.
Definition of precipitable water in US English:
precipitable water
noun
Meteorology
Water vapour which could form precipitation; the quantity of water vapour in an atmospheric column of unit cross-section, expressed as the mass or depth it would have if fully condensed to a liquid.
Origin
Early 20th century; earliest use found in Science.