Rh negative
American
[ahr-eych neg-uh-tiv]
/ ˈɑrˈeɪtʃ ˈnɛg ə tɪv /
Or
Rh-negative
adjective
Rh negative
British
noun
-
blood that does not contain the Rh factor
-
a person having such blood
Etymology
Origin of Rh negative
First recorded in 1955–60
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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.
