ultramicroscopic
ult·ra·mic·roscopic
adjective
1.
concerning characteristics that are determined by genes carried on the sex chromosomes (on the X chromosome in particular)
Origin
From ultra- + microscopic.
Related words
Pertaining to
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.