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monatomic

[ mon-uh-tom-ik ]
/ ˌmɒn əˈtɒm ɪk /
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adjective Chemistry.
having one atom in the molecule.
containing one replaceable atom or group.
having a valence of one.
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In the UK, COTTON CANDY is more commonly known as…
Also monoatomic.

Origin of monatomic

First recorded in 1840–50; mon- + atomic

OTHER WORDS FROM monatomic

mon·a·tom·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use monatomic in a sentence

British Dictionary definitions for monatomic

monatomic

monoatomic (ˌmɒnəʊəˈtɒmɪk)

/ (ˌmɒnəˈtɒmɪk) /

adjective chem
(of an element) having or consisting of single atomsargon is a monatomic gas
(of a compound or molecule) having only one atom or group that can be replaced in a chemical reaction
a less common word for monovalent
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
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