Wordnet 3.0
NOUN (1)
1. 
 a salt of perchloric acid; 
The Collaborative International Dictionary of English v.0.48:
Perchlorate \Per*chlo"rate\, n. (Chem.)
   A salt of perchloric acid.
   [1913 Webster]
WordNet (r) 3.0 (2006):
perchlorate
    n 1: a salt of perchloric acid