monatomic

adjective

mon·​atom·​ic ˌmä-nə-ˈtä-mik How to pronounce monatomic (audio)
: consisting of one atom
especially : having but one atom in the molecule

Examples of monatomic in a Sentence

Recent Examples on the Web In particular, both diatomic hydrogen and monatomic helium can permeate the seals. Peter Bright, Ars Technica, 31 Oct. 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'monatomic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1848, in the meaning defined above

Time Traveler
The first known use of monatomic was in 1848

Dictionary Entries Near monatomic

Cite this Entry

“Monatomic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/monatomic. Accessed 5 Nov. 2024.

Medical Definition

monatomic

adjective
mon·​atom·​ic ˌmän-ə-ˈtäm-ik How to pronounce monatomic (audio)
1
: consisting of one atom
especially : having but one atom in the molecule
2
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