释义 |
arid·i·ty \əˈridəd.ē, aˈ-, eˈ-, -ətē, -i\ noun (-es) Etymology: Latin ariditas, from aridus + -itas -ity 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 |