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dioxide

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di⋅ox⋅ide

[dahy-ok-sahyd, -sid]
–noun Chemistry.
an oxide containing two atoms of oxygen, each of which is bonded directly to an atom of a second element, as manganese dioxide, MnO2, or nitrogen dioxide, NO2.

Origin:
1840–50; di- 1 + oxide
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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di·ox·ide   (dī-ŏk'sīd)   
n.  A compound with two oxygen atoms per molecule.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: di·ox·ide
Pronunciation: (')dI-'äk-"sId
Function: noun
: an oxide (as carbon dioxide) containing two atoms of oxygen in amolecule
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

dioxide di·ox·ide (dī-ŏk'sīd)
n.
A compound containing two oxygen atoms per molecule.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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