Dictionary![]() ![]() a•rid•i•fi•ca•tionPronunciation: (u-rid"u-fi-kā'shun), [key] —n. the process by which a humid region becomes increasingly dry, as by climatic change or human interference with the ecology. Cf. desertification. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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