Aridity definitions

Webster's 1828 Dictionary

ARID'ITY,
AR'IDNESS, n.
1. Dryness; a state of being without moisture.
2. A dry state of the body; emaciation; the withering of a limb.

WordNet (r) 3.0 (2005)

n
1: the quality of yielding nothing of value [syn: fruitlessness, aridity, barrenness] [ant: fecundity, fruitfulness]
2: a deficiency of moisture (especially when resulting from a permanent absence of rainfall) [syn: aridity, aridness, thirstiness]

Merriam Webster's

noun see arid

NOAA Weather Glossary

A general term used to describe areas suffering from lack of rain or drought. More specifically, a condition in which evaporation exceeds precipitation.

Webster's 1913 Dictionary

Aridity A*rid"i*ty, n.; pl. Aridities. [L. ariditas, fr. aridus.] 1. The state or quality of being arid or without moisture; dryness. 2. Fig.: Want of interest of feeling; insensibility; dryness of style or feeling; spiritual drought. --Norris.

Soule's Dictionary of English Synonyms

n. 1. Dryness, aridness, parchedness, siccity, want of moisture, sterility, barrenness, unfertility. 2. Dryness, want of interest, dulness, pointlessness, jejuneness, unsuggestiveness, barrenness, infecundity, sterility. 3. Dulness, insensibility, indifference, torpidity.