[ mon-uh-sohm ]
/ ˈmɒn əˌsoʊm /

noun Genetics.

a chromosome having no homologue, especially an unpaired X chromosome.
a protein-synthetic complex involving the translation of a messenger RNA molecule by a single ribosome.
a monosomic individual.

Origin of monosome

First recorded in 1920–25; mono- + -some3 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for monosome

/ (ˈmɒnəˌsəʊm) /


an unpaired chromosome, esp an X-chromosome in an otherwise diploid cell

Derived forms of monosome

monosomic (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

Medical definitions for monosome

[ mŏnə-sōm′ ]


A chromosome having no homologue, especially an unpaired X-chromosome.
A single ribosome, especially one combined with a molecule of mRNA.

Other words from monosome

mon′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.