noun arid·i·fi·ca·tion \ə-ˌri-də-fə-ˈkā-shən, a-\

Definition of aridification

  1. :  the gradual change of a region from a wetter to a drier climate The onset of sudden aridification in Mesopotamia near 4100 calendar yr B. P. coincided with a widespread cooling in the North Atlantic … — Peter B. de Menocal, Science, 27 Apr. 2001

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Origin and Etymology of aridification

arid + -ification

First Known Use: 1855

Seen and Heard

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a trip made at another's expense

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