submicron

adjective

sub·​mi·​cron ˌsəb-ˈmī-ˌkrän How to pronounce submicron (audio)
1
: being less than a micron in a (specified) measurement and especially in diameter
a submicron particle
2
: having or consisting of submicron particles
a submicron metal powder

Example Sentences

Recent Examples on the Web That device gathered information about sperm movement at the level of submicron resolution, smaller than one-millionth of a meter. Courtney Sexton, Smithsonian Magazine, 31 July 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'submicron.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1916, in the meaning defined at sense 1

Time Traveler
The first known use of submicron was in 1916

Dictionary Entries Near submicron

Cite this Entry

“Submicron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/submicron. Accessed 9 Dec. 2022.

Medical Definition

submicron

adjective
sub·​mi·​cron -ˈmī-ˌkrän How to pronounce submicron (audio)
1
: being less than a micron in a (specified) measurement and especially in diameter
a submicron particle
2
: having or consisting of submicron particles
submicron aerosols
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