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Webster 1913 Edition
Osmate
Os′mate
,Noun.
 (Chem.) 
A salt of osmic acid. 
[Formerly written also 
osmiate
.] Definition 2025
osmate
osmate
English
Noun
osmate (plural osmates)
- (inorganic chemistry) Any salt of osmic acid.
Derived terms
- perosmate
- potassium osmate