from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The combined processes of evaporation, sublimation, and transpiration of the water from the earth's surface into the atmosphere.
- n. The total amount of water transferred from the earth to the atmosphere.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The transfer of water from the surface of the earth to the atmosphere by evaporation, sublimation and transpiration
evapo(ration) and transpiration.(American Heritage® Dictionary of the English Language, Fourth Edition)
evaporation + transpiration (Wiktionary)