Rhesus factor
American
[ree-suhs]
/ ˈri səs /
noun
rhesus factor
British
noun
Etymology
Origin of Rhesus factor
First recorded in 1940–45
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.