Definition of monoembryony in English:

monoembryony

Pronunciation /ˌmɒnə(ʊ)ˈɛmbrɪəni/

noun

rare Botany Zoology
  • The formation (from a single egg) or presence (in a single seed, etc.) of a single embryo.

Origin

Mid 19th century; earliest use found in John Balfour (1808–1884), botanist. From mono- + embryon [adjective] + -y.