Dictionary
pro•tox•ide
Pronunciation: (prō-tok'sīd, -sid), [key]—
n. Chem.
the one of a series of oxides having the smallest proportion of oxygen.
Also,pro•tox•idPronunciation: (prō-tok'sid). [key]Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.