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May 27, 2012
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Dictionary


pent•ox•ide



Pronunciation: (pen-tok'sīd), [key]
—n. Chem.
an oxide containing five atoms of oxygen, as phosphorus pentoxide, P2O5.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Pentothalpentstemon
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