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pentoxide: Meaning and Definition of

pent•ox•ide

Pronunciation: (pen-tok'sīd), [key]
— n. Chem.
  1. an oxide containing five atoms of oxygen, as phosphorus pentoxide, PO.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
Pentothal pentstemon
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