卵らん生せい動どう物ぶつ

Meanings

1

noun

oviparous animal

A biological term for animals that reproduce by laying eggs. Used in scientific or educational contexts.

thing, object, matter

胎たい生せい動どう物ぶつ
胎生動物 refers to viviparous animals (those that give birth to live young), contrasting with 卵生動物.
卵らん胎たい生せい動どう物ぶつ
卵胎生動物 are ovoviviparous animals, where eggs hatch inside the body, an intermediate reproductive strategy.

Compound of 卵生 (らんせい, 'oviparity') and 動物 (どうぶつ, 'animal'). The term is a straightforward Sino-Japanese technical coinage.