monoxide
monoxide
an oxide that contains one oxygen atom per molecule
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
monoxide
[mə′näk‚sīd](chemistry)
A compound that contains a single oxygen atom, such as carbon monoxide, CO.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.