rh

Meaning

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
2. a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum
3. 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

Synonyms for rh

• rhesus factor
• Rh factor
• rhodium
• atomic number 45
• releasing hormone
• releasing factor
• hypothalamic releasing hormone
• hypothalamic releasing factor