monoxide

[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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for monoxide

Historical Examples of monoxide

It is reduced to the monoxide when heated in a current of hydrogen.
Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 5
Various
Monoxide, IrO, prepared by adding potassium hydrate to the hexachloride of iridium, and digesting the precipitate in an acid.
Cooley's Practical Receipts, Volume II
Arnold Cooley
This is called the oxide, protoxide, or monoxide, and forms the standard to which those both above and below it are preferred.
Cooley's Practical Receipts, Volume II
Arnold Cooley
Monoxide, mo-nok′sīd, n. an oxide containing a single oxygen atom in combination with two univalent atoms or one bivalent atom.
Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)
Various
The monoxide, PbO, occurs in nature as the mineral lead ochre.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 3
Various

British Dictionary definitions for monoxide

monoxide

noun

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.

monoxide in Medicine

monoxide

[mə-nŏk′sīd′]

An oxide with each molecule containing one oxygen atom.

monoxide in Science

monoxide

[mə-nŏk′sīd′]

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.