Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun rh

3 senses of rh

Sense 1
rhesus factor, Rh factor, Rh -- (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)
       => antigen -- (any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies))

Sense 2
rhodium, Rh, atomic number 45 -- (a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum)
       => metallic element, metal -- (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

Sense 3
releasing hormone, RH, releasing factor, hypothalamic releasing hormone, hypothalamic releasing factor -- (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)
       => hormone, endocrine, internal secretion -- (the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect)