WordReference Random House Unabridged Dictionary of American English © 2026
ec•o•spe•cies
(ek′ō spē′shēz, -sēz, ē′kō-),USA pronunciation n. [Ecol.]
ec•o•spe•cif•ic
(ek′ō spi sif′ik),USA pronunciation adj.
ec′o•spe•cif′i•cal•ly, adv.
- Ecologya taxon consisting of one or more interbreeding ecotypes: equivalent to a taxonomic species.
- 1920–25; eco- + species