Rh negative

or Rh-neg·a·tive

[ ahr-eych -neg-uh-tiv ]
/ ˈɑrˈeɪtʃ ˈnɛg ə tɪv /

adjective

See under Rh factor.

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Origin of Rh negative

First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for Rh negative

Rh negative

noun

blood that does not contain the Rh factor
a person having such blood
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

Medical definitions for Rh negative

Rh-negative

adj.

Lacking an Rh factor.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.