aridity

noun

arid·​i·​ty ə-ˈri-də-tē How to pronounce aridity (audio) a- How to pronounce aridity (audio)
plural -es
Synonyms of ariditynext
1
: the quality or state of being arid : dryness
the aridity of desert sands
2
: unavailability of water present in a habitat to organisms occupying that habitat whether caused by inability of the organisms to remove the water or to the ability of the soil to withhold it

Word History

Etymology

Latin ariditas, from aridus + -itas -ity

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Cite this Entry

“Aridity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aridity. Accessed 19 Dec. 2025.

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