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View synonyms for Rh positive

Rh positive

or Rh-pos·i·tive

[ ahr-eych poz-i-tiv ]

adjective

  1. Rh factor


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
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Word History and Origins

Origin of Rh positive1

First recorded in 1955–60
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Example Sentences

A reaction there indicates you are Rh-positive; if nothing happens, you’re Rh-negative.

Through a quirk of biology, Harrison’s blood contains a special antibody that can protect women and their unborn fetuses from “rhesus disease” — an unfortunate condition when the immune system of a woman with Rh-negative blood type attacks her Rh-positive fetus.

From Forbes

Injected into the Rh-negative mother, the antibodies bind to and destroy fetal Rh-positive blood cells that have passed from the fetus to the mother during birth.

Fluid withdrawn through the needle showed the extent to which the baby's Rh-positive cells were being destroyed by antibody from the Rh-negative mother.

And through this he injected red cells, Rh-negative like the mother's, to replace the baby's own Rh-positive cells, which were being destroyed.

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rhoticRHS