Word History

First Known Use

1939, in the meaning defined above

Time Traveler
The first known use of thyrotropin was in 1939

Cite this Entry

“Thyrotropin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thyrotropin. Accessed 28 Jul. 2026.

Kids Definition

Medical Definition

thyrotropin

noun
1
2
: a recombinant form of thyroid-stimulating hormone used especially as a diagnostic agent (as in the detection of thyroid cancer)

called also thyrotropin alfa

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