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Synonyms

Rh positive

American  
[ahr-eych poz-i-tiv] / ˈɑrˈeɪtʃ ˈpɒz ɪ tɪv /
Or Rh-positive

adjective

  1. Rh factor


Rh positive British  

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

Etymology

Origin of Rh positive

First recorded in 1955–60

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If you have it, you’re Rh positive; if not, you’re Rh negative.

From Los Angeles Times • Jul. 9, 2020

Looking at just the Rh factor, the team found that diabetes risk was the same whether or a not a woman was Rh positive or Rh negative.

From US News • Dec. 18, 2014

For if a wife's blood were Rh negative and a husband's Rh positive, their child might be stillborn, or born with erythroblastosis fetalis, characterized by anemia and jaundice.

From Time Magazine Archive

If clumping occurs, technicians can be sure that the specimen is Rh positive.

From Time Magazine Archive

At Adelphi Hospital, Brooklyn, blood expert Alexander S. Wiener quickly made tests, found that the baby's blood was Rh positive, the mother's Rh negative.*

From Time Magazine Archive