WordReference Random House Unabridged Dictionary of American English © 2025
a•pla•sia
(ə plā′zhə),USA pronunciation n. [Pathol.]
a•plas•tic
(ā plas′tik),USA pronunciation adj.
- Pathologydefective development or congenital absence of a limb, organ, or other body part.
- 1880–85; a-6 + -plasia