mono·​mo·​lec·​u·​lar ˌmä-nə-mə-ˈle-kyə-lər How to pronounce monomolecular (audio)
: being only one molecule thick
a monomolecular film
monomolecularly adverb

Examples of monomolecular in a Sentence

Recent Examples on the Web Worn on top of the clear bubble helmet, the visor had shades and an outer visor that was a plastic with a monomolecular layer of gold. Ryan W. Miller, USA TODAY, 19 July 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'monomolecular.' 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

1876, in the meaning defined above

Time Traveler
The first known use of monomolecular was in 1876

Dictionary Entries Near monomolecular

Cite this Entry

“Monomolecular.” Dictionary, Merriam-Webster, Accessed 22 Jun. 2024.

Medical Definition


mono·​mo·​lec·​u·​lar ˌmän-ō-mə-ˈlek-yə-lər How to pronounce monomolecular (audio)
: being only one molecule thick
a monomolecular film
: relating to or being a process whose rate is directly proportional to the amount or concentration of the material undergoing the process
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