Rh positive

or Rh-pos·i·tive

[ ahr-eych-poz-i-tiv ]
See synonyms for Rh positive on Thesaurus.com
adjective
  1. See under Rh factor.

Origin of Rh positive

1
First recorded in 1955–60

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for Rh positive

Rh positive

noun
  1. blood containing the Rh factor

  2. 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