micronucleus

noun

mi·​cro·​nu·​cle·​us ˌmī-krō-ˈnü-klē-əs How to pronounce micronucleus (audio)
-ˈnyü-
: a minute nucleus
specifically : one that is primarily concerned with reproductive and genetic functions in most ciliated protozoans

Word History

Etymology

New Latin

First Known Use

1887, in the meaning defined above

Time Traveler
The first known use of micronucleus was in 1887

Dictionary Entries Near micronucleus

Cite this Entry

“Micronucleus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micronucleus. Accessed 19 Mar. 2024.

Medical Definition

micronucleus

noun
mi·​cro·​nu·​cle·​us ˌmī-krō-ˈn(y)ü-klē-əs How to pronounce micronucleus (audio)
: a minute nucleus
specifically : one regarded as primarily concerned with reproductive and genetic functions in most ciliated protozoans compare macronucleus

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