Pap smear
noun🔊/ˈpæp smɪə(r)/
🔊/ˈpæp smɪr/
(North American English) (British English smear test, smear, cervical smear)
a medical test in which a very small amount of tissue from a woman’s cervix is removed and examined for cancer cells 涂片试验（从妇女子宫颈取少许组织，以检查是否有癌细胞） Oxford Collocations DictionaryPap smear is used before these nouns:- test