aridity index

noun

a number indicating how much more precipitation could be lost by evapotranspiration if it were available than is actually lost at a given location.

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Nearby words

arid, arid zone, aridification, aridisol, aridity, aridity index, aridly, ariel, arielle, aries, arietta

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019