/bay'teuh naf"thawl, -thol, -nap"-/ or, esp. Brit., /bee'-/, n. Chem.
naphthol (def. 1).

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Universalium. 2010.

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  • beta-naphthol — noun an isomer of naphthol used in rubber as an antioxidant • Hypernyms: ↑naphthol, ↑antioxidant * * * | ̷ ̷ ̷ ̷+ noun Etymology: beta (II) : naphthol 1b * * * /bay teuh na …   Useful english dictionary

  • beta-naphthol — be·ta naph·thol naf .thȯl, nap , .thōl n NAPHTHOL (b) …   Medical dictionary

  • beta-naphthol — /ˌbitə ˈnæfθɒl/ (say .beetuh nafthol), / ˈnæp / (say nap ) noun a bicyclic phenol, C10H7OH …   Australian-English dictionary

  • Beta — Be ta, n. [Gr. bh^ta.] The second letter of the Greek alphabet, B, [beta]. See {B}, and cf. etymology of {Alphabet}. Note: Beta (B, [beta]) is used variously for classifying, as: (a) (Astron.) To designate some bright star, usually the second… …   The Collaborative International Dictionary of English

  • Naphthol — Naphthole Name 1 Naphthol 2 Naphthol Andere Namen α Naphthol, 1 Hydroxynaphthalin β Naphthol, 2 Hydroxynaphthalin Strukturformel …   Deutsch Wikipedia

  • naphthol — /naf thawl, thol, nap /, n. Chem. either of two isomeric hydroxyl derivatives, C10H7OH, of naphthalene (alpha naphthol or 1 naphthol and beta naphthol or 2 naphthol), white or yellowish crystals, with a phenolic odor, that darken on exposure to… …   Universalium

  • naphthol — A phenol of naphthalene, occurring in two forms: α n., a dye intermediate used in cytochemistry for l arginine localization; β n., also known as isonaphthol, used as an anthelmintic and antiseptic. Both forms are also used in the manufacture of… …   Medical dictionary

  • naphthol — noun either of two phenols derived from naphthalene • Hypernyms: ↑phenol • Hyponyms: ↑alpha naphthol, ↑beta naphthol …   Useful english dictionary

  • naphthol — /ˈnæfθɒl/ (say nafthol) noun either of two hydroxy derivatives of naphthalene, having the formula C10H7OH, and occurring in coal tar, used as antiseptics and in dye manufacture. See beta naphthol. Also, naphtol /ˈnæftɒl/ (say naftol). {naphth(a)… …   Australian-English dictionary

  • ortho-tolueno-azo-beta-naphthol — or·tho tol·u·eno azo be·ta naph·thol (or″tho tol″u ēn″o az″o ba″tə nafґthol) a poisonous dye used in processing citrus fruits …   Medical dictionary

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