(redirected from chromonemal)
Also found in: Medical, Encyclopedia.


n. pl. chro·mo·ne·ma·ta (-mə-tə)
The spirally coiled central filament of a chromatid along which the chromomeres are aligned.

[chromo(some) + Greek nēma, thread; see (s)nē- in Indo-European roots.]

chro′mo·ne·mat′ic (-nə-măt′ĭk), chro′mo·ne′mic (-nē′mĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -mata (-mətə)
1. (Biology) the coiled mass of threads visible within a nucleus at the start of cell division
2. (Biology) a coiled chromatin thread within a single chromosome
[C20: from chromo- + Greek nēma thread, yarn]
ˌchromoˈnemal, chromonematic, ˌchromoˈnemic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌkroʊ məˈni mə)

n., pl. -ma•ta (-mə tə)
a chromosome thread that is relatively uncoiled at early prophase but assumes a spiral form at metaphase.
[1920–25; chromo- + Greek nêma thread]
chro`mo•ne•mat′ic (-nəˈmæt ɪk, -ni-) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.