: having the centromere situated so that one chromosomal arm is much shorter than the other
acrocentric noun

Word History

Etymology

acro- + -centric

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of acrocentric was in 1945

Browse Nearby Words

Cite this Entry

“Acrocentric.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acrocentric. Accessed 2 Aug. 2026.

Medical Definition

acrocentric

adjective
: having the centromere situated so that one chromosomal arm is much shorter than the other compare metacentric, telocentric entry 1
acrocentric noun
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