n.
Pronunciation: - ' äk- ˌ s ī d
Function: noun
Date: circa 1847
: the monovalent anion O 2 - or a compound containing it <potassium superoxide KO 2 >
n.
Pronunciation: - ' äk- ˌ s ī d
Function: noun
Date: circa 1847
: the monovalent anion O 2 - or a compound containing it <potassium superoxide KO 2 >
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012