noun Genetics.

any chromosome other than a sex chromosome.

Origin of autosome

First recorded in 1905–10; auto-1 + -some3
Also called euchromosome.
Related formsau·to·so·mal, adjectiveau·to·so·mal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for autosomal

Historical Examples of autosomal

British Dictionary definitions for autosomal



any chromosome that is not a sex chromosome
Derived Formsautosomal, 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

Word Origin and History for autosomal



coined 1906 by U.S. cytologist T.H. Montgomery (1873-1912), from auto- + -some (3)). Related: Autosomal.

Online Etymology Dictionary, © 2010 Douglas Harper

autosomal in Medicine




A chromosome other than a sex chromosome, normally occurring in pairs in somatic cells and singly in gametes.
Related formsau′to•somal (-sōməl)′to•somal•ly adv.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.