单词	naphthol
释义	naphthol noun naph·​thol ˈnaf-ˌthȯl  -ˌthōl   nonstandard  ˈnap- 1 : either of two isomeric derivatives C10H8O of naphthalene used as antiseptics and in the manufacture of dyes 2 : any of various hydroxy derivatives of naphthalene that resemble the simpler phenols Word History Etymology International Scientific Vocabulary First Known Use 1842, in the meaning defined at sense 1 Medical Definition naphthol noun naph·​thol ˈnaf-ˌthȯl  ˈnap-  -ˌthōl : either of two isomeric derivatives C10H8O of naphthalene found in coal tar or made synthetically: a : one used chiefly in synthesizing dyes called also alpha-naphthol b : one used chiefly as an intermediate (as for dyes and pharmaceuticals) and especially formerly in medicine as an antiseptic and parasiticide called also beta-naphthol
随便看	excurrent excurse excursion excursion ticket excursional excursionary excursioned excursioning excursionise excursionised excursionises excursionising excursionist excursionists excursionized excursionizes excursionizing excursions excursive excursively excursiveness excursivenesses excursus excursuses excurvate

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