WordReference Random House Unabridged Dictionary of American English © 2026
ge•o•trop•ic
( jē′ō trop′ik, -trō′pik),USA pronunciation adj. [Biol.]
ge′o•trop′i•cal•ly, adv.
- Biologyof, pertaining to, or exhibiting geotropism.
- geo- + -tropic 1870–75