kinetochore

noun

ki·net·o·chore kə-ˈne-tə-ˌkȯr

kī-

: centromere

: a specialized structure on the centromere to which the microtubular spindle fibers attach during mitosis and meiosis

Word History

Etymology

kinet- + Greek chōros place

First Known Use

1934, in the meaning defined at sense 1

Time Traveler

The first known use of kinetochore was in 1934

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kinetin

kinetochore

kinetogenesis

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Style

“Kinetochore.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kinetochore. Accessed 31 Oct. 2025.

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Medical Definition

kinetochore

noun

ki·neto·chore kə-ˈnet-ə-ˌkō(ə)r

kī-

-ˌkȯ(ə)r

: centromere

: a specialized structure on the centromere to which the microtubular spindle fibers attach during mitosis and meiosis

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kinetochore

noun

Word History

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