WordReference Random House Unabridged Dictionary of American English © 2026
mi•cro•cap•sule
(mī′krō kap′səl, -so̅o̅l, -syo̅o̅l),USA pronunciation n. [Chem.]
- Chemistrya tiny capsule, 20–150 microns in diameter, used for slow-release application of drugs, pesticides, flavors, etc.
- micro- + capsule 1960–65