thyrotropin-releasing hormone Syllabification: (thy·ro·tro·pin-re·leas·ing hor·mone) (also thyrotropin-releasing factor)Definition of thyrotropin-releasing hormone noun Biochemistry a hormone secreted by the hypothalamus that stimulates release of thyrotropin. thyrotropin-releasing hormone in other Oxford dictionaries Definition of thyrotropin-releasing hormone in the British & World English dictionary
