noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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UK:/k(ʌ)ɪˈniːtəʊkɔː/
US:/kəˈnitoʊkɔɹ/
1
noun
Meaning 1
The protein structure in eukaryotes which assembles on the centromere and links the chromosome to microtubule polymers from the mitotic spindle during mitosis.
Definition source: English Wiktionary via Wiktextract
Topics: biology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape
Definition source: Princeton WordNet 3.0
Examples
the centromere is difficult to sequence
Meaning relationships
Synonyms: centromere
Antonyms: none provided
Broader terms: structure, anatomical structure, complex body part, bodily structure, body structure
History
Etymology
From kineto- + Ancient Greek χῶρος (khôros, “space”).
Across languages
Translations
2 source translations are retained for this English entry.