WordReference Random House Unabridged Dictionary of American English © 2025
blas•te•ma
(bla stē′mə),USA pronunciation n., pl. -mas, -ma•ta (-mə tə).USA pronunciation [Embryol.]
blas•te′mal, blas•te•mat•ic
(blas′tə mat′ik),USA pronunciation blas•te•mic
(bla stē′mik, -stēm′ik),USA pronunciation adj.
- Developmental Biologyan aggregation of cells in an early embryo, capable of differentiation into specialized tissue and organs.
- Greek blástēma (blastē- verbid stem of blasteîn to sprout + -ma noun, nominal suffix denoting result of action)
- Neo-Latin
- 1840–50;