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Webster 1913 Edition
Pentoxide
Pen-tox′ide
,Noun.
 [
Penta- 
+ oxide
.] (Chem.) 
An oxide containing five atoms of oxygen in each molecule; 
as, phosphorus 
. pentoxide
, P2O5
Definition 2025
Pentoxide
pentoxide
pentoxide
See also: Pentoxide
English
Noun
pentoxide (plural pentoxides)
Translations
oxide containing five oxygen atoms
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