WordReference Random House Unabridged Dictionary of American English © 2026
che•mo•tax•is
(kē′mō tak′sis, kem′ō-),USA pronunciation n. [Biol.]
che•mo•tac•tic
(kē′mō tak′tik, kem′ō-),USA pronunciation adj.
che′mo•tac′ti•cal•ly, adv.
- Ecologyoriented movement toward or away from a chemical stimulus.
- 1890–95; chemo- + -taxis