Search Result for "aridness": 
Wordnet 3.0

NOUN (1)

1. a deficiency of moisture (especially when resulting from a permanent absence of rainfall);
[syn: aridity, aridness, thirstiness]



The Collaborative International Dictionary of English v.0.48:

Aridness \Ar"id*ness\, n.
   Aridity; dryness.
   [1913 Webster] Ariel


WordNet (r) 3.0 (2006):

aridness
    n 1: a deficiency of moisture (especially when resulting from a
         permanent absence of rainfall) [syn: aridity, aridness,
         thirstiness]