adjective Zoology.

  1. producing eggs that are hatched within the body, so that the young are born alive but without placental attachment, as certain reptiles or fishes.


  1. (of certain reptiles, fishes, etc) producing eggs that hatch within the body of the motherCompare oviparous, viviparous (def. 1)

adj.1801, from comb. form of ovum + viviparous.

  1. Producing eggs that hatch within the female’s body. Some fish and reptiles are ovoviviparous. Compare oviparous viviparous.

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