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monosome

[mon-uh-sohm]
noun Genetics.
  1. a chromosome having no homologue, especially an unpaired X chromosome.
  2. a protein-synthetic complex involving the translation of a messenger RNA molecule by a single ribosome.
  3. a monosomic individual.
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Origin of monosome

First recorded in 1920–25; mono- + -some3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for monosome

monosome

noun
  1. an unpaired chromosome, esp an X-chromosome in an otherwise diploid cell
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Derived Formsmonosomic (ˌmɒnəˈsəʊmɪk), 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

monosome in Medicine

monosome

(mŏnə-sōm′)
n.
  1. A chromosome having no homologue, especially an unpaired X-chromosome.
  2. A single ribosome, especially one combined with a molecule of mRNA.
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Related formsmon′o•somic (-sōmĭk) adj.mono•so′my n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.