a specialized structure on the chromosome, appearing during cell division as the constricted central region where the two chromatids are held together and form an X shape.
- cen·tro·mer·ic [sen-truh-mer-ik, -meer-], /ˌsɛn trəˈmɛr ɪk, -ˈmɪər-/, adjective
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British Dictionary definitions for centromere
the dense nonstaining region of a chromosome that attaches it to the spindle during mitosis
- centromeric (ˌsɛntrəˈmɛrɪk, -ˈmɪərɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for centromere
The region of the chromosome to which the spindle fiber is attached during cell division (both mitosis and meiosis). The centromere is the constricted point at which the two chromatids forming the chromosome are joined together. See more at meiosis mitosis.
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