[ mon-ok-sahyd, muh-nok- ]
/ mɒnˈɒk saɪd, məˈnɒk- /

noun Chemistry.

an oxide containing one oxygen atom in each molecule.

Origin of monoxide

First recorded in 1865–70; mon- + oxide Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for monoxide

British Dictionary definitions for monoxide

/ (mɒˈnɒksaɪd) /


an oxide that contains one oxygen atom per moleculecarbon monoxide, CO
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for monoxide

[ mə-nŏksīd′ ]


An oxide with each molecule containing one oxygen atom.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for monoxide

[ mə-nŏksīd′ ]

A compound consisting of two elements, one of which is a single oxygen atom. Carbon monoxide, for example, contains a carbon atom bound to a single oxygen atom.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.