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alpha-naphthol

Definition of the noun alpha-naphthol

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

noun

  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 previewPocket Medical Dictionary (1999)

by B. Jain Publishers Staff

Alpha-naphthol, al-fah-naf'-thol. A variety of naphthol. Alpha Rays, al'-fah. Positively charged discrete particles of low penetrative power. Alphasol, al'-fas-ol. A proprietary liquid antiseptic gargle.

Google previewDictionary of Agronomy (1989)

by L. L. Somani

Molich's reagent, alpha-naphthol in alcohol, is mixed with the test solution. Concentrated sulphuric acid is added and a violet ring at the junction of the two liquids indicates the ...

Google previewDictionary Of Botany

by Anil Kumar Mishra

Allogamy Alpha-naphthol test particular gene occupy the same positions (loci) on homologous chromosomes. Allogamy – Cross-fertilization in plants. This promotes genetic variation in the population, especially in plants that are dioecious and ...

Google previewA Dictionary of Biology (2015)

by Elizabeth Martin, Robert Hine

alpha-naphthol test A biochemical test to detect the presence of carbohydrates in solution, also known as Molisch's test (after the Austrian chemist H. Molisch (1856–1937), who devised it). A small amount of alcoholic ...

Google previewSasol Encyclopaedia of Science and Technology (2004)

by G.C. Gerrans, P. Hartmann-Petersen, Rasmus Hartmann-Petersen

alpha-naphthol test See Molisch's test. alphanumeric symbols Also referred to as characters. The symbols typically found on typewriter or computer keyboards. These are roman alphabet letters (A-Z; both upper and lower case), the digits ...

Google previewThe Encyclopedia Americana (1904)

by Frederick Converse Beach, George Edwin Rines

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

Google previewThe Facts on File Dictionary of Organic Chemistry (2009)

by John Daintith

alpha-naphthol test (Molisch's test) A ...

Google previewA Dictionary of Science (2010)

by Elizabeth A. Martin

alpha-naphthol test Abiochemical test to detect the presence of carbohydrates in solution, also known as Molisch's test (after the Austrian chemist H. Molisch (1856-1937), who devised it). A small amount of ...

Google previewA practical medical dictionary ... (1914)

by Thomas Lathrop Stedman

ALPHA-NAPHTHOL 32 ALUMINUM alpha-naph'thol. A substance obtained from coal- tar and prepared artificially, a colorless crystalline powder; employed as an intestinal antiseptic in typhoid fever and other conditions in doses of gr. 10—15 ...

Google previewA Dictionary of Treatment; Or, Therapeutic Index (1892)

Including Medical and Surgical Therapeutics by William Whitla

Alpha-naphthol, napht alin 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 ...

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