noun naph·thol \ˈnaf-ˌthl, ÷ˈnap-, -ˌthōl\

Definition of NAPHTHOL

:  either of two isomeric derivatives C10H8O of naphthalene used as antiseptics and in the manufacture of dyes
:  any of various hydroxy derivatives of naphthalene that resemble the simpler phenols

Origin of NAPHTHOL

International Scientific Vocabulary
First Known Use: 1849

Rhymes with NAPHTHOL

ALGOL, and all, Antall, appall, Argall, argol, air ball, ashfall, at all, atoll, AWOL, baseball, beach ball, beanball, befall, Bengal, best-ball, birdcall, blackball, Bokmål, bookstall, box stall, bradawl, brick wall, broomball, catcall, catchall, cell wall, COBOL, cold call, cornball, Cornwall, crown gall, cue ball, cure-all, curveball, deadfall, de Gaulle, dodgeball, downfall, downhaul, drywall, duck call, eight ball, enthrall, eyeball, fair ball, fastball, fireball, fire wall, foosball, football, footfall, footwall, forestall, forkball, foul ball, four-ball, fourth wall, free-fall, gadwall, game ball, glycol, golf ball, Goodall, goofball, googol, guildhall, hair ball, handball, hardball, headstall, heelball, highball, holdall, house call, icefall, infall, install, John Paul, jump ball, keelhaul, know-all, landfall, Landsmål, line-haul, line squall, lowball, Maillol, meatball, menthol, mess hall, miscall, mothball, Naipaul, Nepal, nightfall, nutgall, oddball, outfall, outhaul, paintball, pinball, pitfall, plimsoll, pratfall, prayer shawl, pub crawl, puffball, punchball, pushball, rainfall, rainsquall, recall, rial, Riksmål, rockfall, roll call, rorqual, Saint Paul, save-all, screwball, seawall, short-haul, shortfall, sick call, sidewall, sleazeball, slimeball, snowball, snowfall, softball, sour ball, speedball, spitball, stickball, stonewall, stone wall, stoopball, strip mall, T-ball, tea ball, tell-all, three-ball, toll call, town hall, trackball, Tyrol, Udall, Walsall, what all, whip stall, Whitehall, whitewall, windfall, windgall, withal, you-all
Medical Dictionary


noun naph·thol \ˈnaf-ˌthl, ˈnap-, -ˌthōl\

Medical Definition of NAPHTHOL

:  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


Next Word in the Dictionary: Naphthol ASPrevious Word in the Dictionary: naphthoic acidAll Words Near: naphthol
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