Definition of megasporangiate in US English:

megasporangiate

adjective

Botany
  • Having or bearing only megasporangia.

Origin

Early 20th century; earliest use found in Philosophical Transactions of the Royal Society of London. From megasporangium + -ate.

Pronunciation

megasporangiate

/ˌmɛɡəspəˈran(d)ʒɪət/