nucleolus organizer

noun

: the specific part of a chromosome with which a nucleolus is associated especially during its reorganization after nuclear division

called also nucleolar organizer

Word History

First Known Use

1939, in the meaning defined above

Time Traveler
The first known use of nucleolus organizer was in 1939

Dictionary Entries Near nucleolus organizer

Cite this Entry

“Nucleolus organizer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nucleolus%20organizer. Accessed 14 Nov. 2024.

Medical Definition

nucleolus organizer

noun
: the specific part of a chromosome with which a nucleolus is associated especially during its reorganization after nuclear division

called also nucleolar organizer

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