[ kroh-muh-tid ]
/ ˈkroʊ mə tɪd /

noun Genetics.

one of two identical chromosomal strands into which a chromosome splits longitudinally preparatory to cell division.

Origin of chromatid

First recorded in 1895–1900; chromat- + -id3 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for chromatid

/ (ˈkrəʊmətɪd) /


either of the two strands into which a chromosome divides during mitosis. They separate to form daughter chromosomes at anaphase
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

Medicine definitions for chromatid

[ krōmə-tĭd ]


Either of the two daughter strands of a duplicated chromosome that are joined by a single centromere and separate during cell division to become individual chromosomes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for chromatid

[ krōmə-tĭd ]

Either of the two strands formed when a chromosome duplicates itself as part of the early stages of cell division. The chromatids are joined together by a single centromere and later separate to become individual chromosomes. See more at meiosis mitosis.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.