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Meaning of desertification

de•sert•i•fi•ca•tion

Pronunciation: (di-zûr"tu-fi-kā'shun), [key]
— n. Ecol.
  1. the processes by which an area becomes a desert.
  2. the rapid depletion of plant life and the loss of topsoil at desert boundaries and in semiarid regions, usually caused by a combination of drought and the overexploitation of grasses and other vegetation by people.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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