autosome

From auto- +‎ -some, from Ancient Greek σῶμα (sôma, “body”).

• (UK) IPA^(key): /ˈɔːtəsəʊm/
• (US) IPA^(key): /ˈɔɾəˌsoʊm/
• (Canada) IPA^(key): /ˈɑtəzoʊm/

autosome (plural autosomes)

1. (genetics) Any chromosome other than sex chromosomes.
   • 1906 January 5, Thos. H. Montgomery, “The terminology of aberrant chromosomes and their behavivor in certain Hemiptera”, in Science, volume 23, number 575, page 36:

     Autosoma (or autosome), the usual or non-aberrant chromosomes, called by me previously ordinary chromosomes.

   • 1908, Herbert Spencer Davis, Spermatogenesis in Acrididae and Locustidae:

     It is apparently formed by the arms of the loops becoming twisted around each other, and, as in the Acrididae, each of these arms no doubt represents a univalent autosome.

• autosomal