WordReference Random House Unabridged Dictionary of American English © 2025
gas•tru•la•tion
(gas′trŏŏ lā′shən),USA pronunciation n. [Embryol.]
- Developmental Biologythe formation of a gastrula.
- Developmental Biologyany process, as invagination, by which a blastula or other form of embryo is converted into a gastrula.
- gastrulate + -ion 1875–80
'gastrulation' also found in these entries (note: many are not synonyms or translations):