WordReference Random House Unabridged Dictionary of American English © 2025
en•do•cy•to•bi•ol•o•gy
(en′dō sī′tō bī ol′ə jē),USA pronunciation n.
- Biologythe branch of biology that deals with the anatomy and function of the organelles and other structures within the cell.
- endo- + cyto- + biology 1980–85