A white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum
Synonyms:
  1. rhodium
  2. rhesus-factor
  3. atomic number 45
  4. rh 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
(Noun)