UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˌθaɪrəʊˈtrəʊpɪn/US:USA pronunciation: respellingUSA pronunciation: respelling(thī′rə trōpin, thī rotrə-)

WordReference Random House Unabridged Dictionary of American English © 2020
thy•ro•tro•pin  (thī′rə trōpin, thī rotrə-),USA pronunciation n. [Biochem.]
  1. Biochemistryan anterior pituitary hormone that regulates the activity of the thyroid gland.
Also,  thy•ro•tro•phin (thī′rə•trōfin, thī•rotrə-). Also called  thyroid-stimulating hormone. 
  • thyro- + -trope + -in2 1935–40

Collins Concise English Dictionary © HarperCollins Publishers::
thyrotropin /ˌθaɪrəʊˈtrəʊpɪn/, thyrotrophin /ˌθaɪrəʊˈtrəʊfɪn/ n
  1. a glycoprotein hormone secreted by the anterior lobe of the pituitary gland: it stimulates the activity of the thyroid gland
Etymology: 20th Century: from thyro- + -trope + -in
'thyrotropin' also found in these entries:

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