Dictionary
Thesaurus
Encyclopedia
Translator
Web
Nearby Words

1naphthol

 - 5 dictionary results

1-naph⋅thol

  [wuhn-naf-thawl, -thol, -nap-]
Use 1naphthol in a Sentence
–noun Chemistry.
alpha-naphthol.
See under naphthol.

naph⋅thol

  [naf-thawl, -thol, nap-]
–noun Chemistry.
either of two isomeric hydroxyl derivatives, C1 0H7OH, 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 light: used chiefly in dyes, drugs, perfumes, and insecticides.
Also called hydroxynaphthalene.

Origin:
1840–50; naphth- + -ol 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To 1naphthol
Medical Dictionary

Main Entry: naph·thol
Pronunciation: 'naf-"thol, 'nap-, -"thOl
Function: noun
: either of two isomeric derivatives C10H8O ofnaphthalene found in coal tar or made synthetically: a : one used chiefly in synthesizing dyes called also alpha-naphthol b : one used chiefly as anintermediate (as for dyes and pharmaceuticals) and especially formerly in medicine as an antiseptic and parasiticide called also beta-naphthol
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Medical Dictionary

naphthol naph·thol (nāf'thôl', -thōl', nāp'-) or naph·tol (-tôl, -tōl)
n.
An organic compound occurring in two isomeric forms, alpha-naphthol and beta-naphthol. Also called naphthalenol.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Science Dictionary
naphthol   (nāf'thôl', -thōl', nāp'-)  Pronunciation Key 
A poisonous organic compound occurring in two isomeric forms. Both isomers are important in the manufacture of dyes, and also in making antiseptics, insecticides, and tanning agents. Naphthol consists of a hydroxyl group (OH) attached to naphthalene. Chemical formula: C10H8O.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Search another word or see 1naphthol on Thesaurus | Reference
FacebookTwitterFollow us:
Partner Sites:
Ask AnswersEviteExpediaHotelsHotwireLife123LiveDailyMy Way