pentoxide

noun
pent·​ox·​ide | \pent-ˈäk-ˌsīd \

Definition of pentoxide 

: an oxide containing five atoms of oxygen in the molecule

First Known Use of pentoxide

1851, in the meaning defined above

History and Etymology for pentoxide

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The first known use of pentoxide was in 1851

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More Definitions for pentoxide

pentoxide

noun
pent·​ox·​ide | \pent-ˈäk-ˌsīd \

Medical Definition of pentoxide 

: an oxide containing five atoms of oxygen in the molecule — see iodine pentoxide

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