English dictionary



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English noun: Rh

1. Rh (substance) 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


SynonymsRh factor, rhesus factor


Broader (hypernym)antigen

2. Rh (substance) a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum


Synonymsatomic number 45, rhodium


Broader (hypernym)metal, metallic element

3. RH (body) 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 of these hormones causes the anterior pituitary to secrete a specific hormone


Synonymshypothalamic releasing factor, hypothalamic releasing hormone, releasing factor, releasing hormone


Broader (hypernym)endocrine, hormone, internal secretion









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