thyrotrophic
[ thahy-ruh-trof-ik, -troh-fik ]
/ ˌθaɪ rəˈtrɒf ɪk, -ˈtroʊ fɪk /
adjective
capable of stimulating the thyroid gland.
Also
thy·ro·trop·ic
[thahy-ruh-trop-ik, -troh-pik] /ˌθaɪ rəˈtrɒp ɪk, -ˈtroʊ pɪk/.