centromere centrolineal • centronucleus · · · Info · Definitions · Synonyms · Characters · · centromere · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape. Synonyms: kinetochore. Example: "The centromere is difficult to sequence." · · Noun Definition 1 Synonyms · · · kinetochore · · Synonym 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074