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Evapotranspiration

Evapotranspiration is the term used to describe two processes in the hydrologic cycle (see below); Water loss from the soil-plant system, through soil evaporation and plant transpiration, is the sum of the methods.

Evergreening

Evergreening is a term that is used on a modification process introduce modifications to existing inventions and then applying for new patents to protect the original device beyond its initial 20-year run.