[mon-ok-sahyd, muh-nok-]

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. 2019

Examples from the Web for monoxide

Historical Examples of monoxide

British Dictionary definitions for monoxide



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

Word Origin and History for monoxide

"oxide with one oxygen atom in each molecule," 1869, from mono- + oxide.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for monoxide




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.

Science definitions for monoxide



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.