a process that fertilizes an egg from a woman outside her body. The egg is then put inside her uterus to develop. (the abbreviation for ‘in vitro fertilization’) see also test-tube baby體外受精(全寫爲 in vitro fertilization,使卵子在母體外受精後再放回子宮内發育) Oxford Collocations DictionaryIVF is used before these nouns:- clinic