WordReference Random House Unabridged Dictionary of American English © 2026
mi•cro•cir•cu•la•tion
(mī′krō sûr′kyə lā′shən),USA pronunciation n.
mi•cro•cir•cu•la•to•ry
(mī′krō sûr′kyə lə tôr′ē, -tōr′ē),USA pronunciation adj.
- Physiologythe movement of blood through the arterioles, capillaries, and venules.
- 1955–60; micro- + circulation