Definition of test-tube baby noun from the Oxford Advanced Learner's Dictionary


test-tube baby

BrE BrE//ˈtest tjuːb beɪbi//
; NAmE NAmE//ˈtest tuːb beɪbi//
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a baby that grows from an egg that is fertilized outside the mother’s body and then put back inside to continue developing normally see also in vitro See related entries: Babies
See the Oxford Advanced American Dictionary entry: test-tube baby