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Definition of the noun alpha-naphthol

What does alpha-naphthol mean as a name of something?


  1. an isomer of naphthol used in dyes
    • lexical domain: Substances - nouns denoting substances
    • more generic word: naphthol = either of two phenols derived from naphthalene

Printed dictionaries and other books with definitions for alpha-naphthol

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Google previewThe Encyclopedia Americana (1903)

A General Dictionary of the Arts and Sciences, Literature, History, Biography, Geography, Etc., of the World; Editor-in-chief, Frederick Converse Beach ... Managing Editor, Forrest Morgan ... Assistant Editors, Nathan Haskell Dole ... Edward Thomas Roe ... Thomas Campbell Copeland ... by Frederick Converse Beach, Forrest Morgan, George Edwin Rines, Nathan Haskell Dole, E. T. Roe, Thomas Campbell Copeland

Thus “alpha-naphthol” is the compound obtained by replacing one of the “a” hydrogen atoms by OH, and “beta-naphthol" is the compound obtained by a similar replacement of a “b” atom. Both of the naphthols resemble ordinary phenol (or ...

Google previewA Dictionary of treatment (1892)

by Sir William Whitla

Alpha-naphthol, naphthalin dioxide, naphthalin, betol or naphtholol, naphthol or beta- or iso-naphthol or hydronaphthol, and several other bodies of this series are still being tried. Dr. Mitchell Clarke brings considerable evidence to show that ...

Google previewChoice Dictionary of Biology (2010)

by Sanjay Yadav

alpha-naphthol test: (after the Austrian chemist H. Molisch (1856-1937), who devised it) a biochemical test to detect ...

Google previewA Dictionary of Medical Science (1893)

by Robley Dunglison

Alpha-naphthol is isomeric with beta-naphthol ; is decidedly antiseptic, and fatal to bacilli of typhoid fever and tuberculosis. Also a test for sugar in urine. N., cam' phorated, used antiseptically for furuncles, diphtheritic sore throat, tuberculosis— ...

Google previewThe Century Dictionary and Cyclopedia: Dictionary (1904)

by William Dwight Whitney

Ns, hthol blue, a coal-tar color used in dyeing, prepared y the action of nitroso- dimethyl-anilineon alpha-naphthol. It gives colors similar to indigo, moderately fast to light but sensitive to acids—Naphthol green. See gan—Naphthol yellow.

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