PENTOXIDE

pentoxide

(noun) an oxide containing five atoms of oxygen in the molecule

Source: WordNet® 3.1

Etymology

Noun

pentoxide (plural pentoxides)

(chemistry) any oxide containing five oxygen atoms in each molecule

Source: Wiktionary

Pen*tox"ide, n. Etym: [Penta- + oxide.] (Chem.)

Definition: An oxide containing five atoms of oxygen in each molecule; as, phosphorus pentoxide, P2O5.

Source: Webster’s Unabridged Dictionary 1913 Edition

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