RH

n. rare metallic element of the platinum family (Chemistry)

n. inherited antigen on the surface of red blood cells (Medicine)

RH, Rh, or rh can stand for:The Riemann hypothesis, an important unsolved problem in mathematics.Ryan's Hope, a soap operaRhesus factor, a classification to describe blood types in humans, and a related  disease of newbornsReading Horizons, a phonics based reading program based off of the Discover Intensive Phonics for Yourself methodologyRhodium, a chemical elementRelative humidityRepublic Express Airlines, IATA airline designatorRight hand or Right-handedRoyal HighnessReinhard HeydrichRhesus factor or Rh factor, see Blood typeRh (digraph)Red Hat GNU/Linux operating systemThe RH postal area in the United Kingdom Royal Mail postcode systemThe anime Rumbling Hearts
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The term Rhesus (Rh) blood group system refers to the five main Rhesus antigens (C, c, D, E and e) as well as the many other less frequent Rhesus antigens. The terms Rhesus factor and Rh factor are equivalent and refer to the Rh D antigen only.
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Rh redirects here. For other uses, see rh (disambiguation) Rhodium (IPA: ) is a chemical element in the periodic table that has the symbol Rh and atomic number 45. A rare silvery-white hard transition metal and a member of the platinum group, rhodium is found in platinum ores and is used in alloys with platinum and as a catalyst. It is the most expensive precious metal.
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Noun
1. any of several hormones produced in the hypothalamus and carried by a vein to the anterior pituitary gland where they stimulate the release of anterior pituitary hormones; each releasing hormone causes the anterior pituitary to secrete a specific hormone
(synonym) releasing hormone, releasing factor, hypothalamic releasing hormone, hypothalamic releasing factor
(hypernym) hormone, endocrine, internal secretion

Noun
1. a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia
(synonym) rhesus factor, Rh factor
(hypernym) antigen
2. a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum
(synonym) rhodium, atomic number 45
(hypernym) metallic element, metal

Rh, rhodium, rare metallic element of the platinum family (Chemistry)

Rh, rhodium, rare metallic element of the platinum family (Chemistry)