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phenol

[fee-nawl, -nol] /ˈfi nɔl, -nɒl/
noun, Chemistry
1.
Also called carbolic acid, hydroxybenzene, oxybenzene, phenylic acid. a white, crystalline, water-soluble, poisonous mass, C 6 H 5 OH, obtained from coal tar, or a hydroxyl derivative of benzene: used chiefly as a disinfectant, as an antiseptic, and in organic synthesis.
2.
any analogous hydroxyl derivative of benzene.
Origin
1850-1855
1850-55; phen- + -ol1
Related forms
phenolic
[fi-noh-lik, -nol-ik] /fɪˈnoʊ lɪk, -ˈnɒl ɪk/ (Show IPA),
adjective
nonphenolic, adjective

phenolic resin

noun, Chemistry
1.
any of the class of thermosetting resins formed by the condensation of phenol, or of a phenol derivative, with an aldehyde, especially formaldehyde: used chiefly in the manufacture of paints and plastics and as adhesives for sandpaper and plywood.
Also called phenolic, phenoplast.
Origin
1915-20; phenol + -ic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for phenolic
  • The oxidation causes the phenolic compounds to condense into brown spots.
  • Laminates are made of thin sheets of kraft paper impregnated with phenolic resin.
British Dictionary definitions for phenolic

phenolic

/fɪˈnɒlɪk/
adjective
1.
of, containing, or derived from phenol

phenol

/ˈfiːnɒl/
noun
1.
Also called carbolic acid. a white crystalline soluble poisonous acidic derivative of benzene, used as an antiseptic and disinfectant and in the manufacture of resins, nylon, dyes, explosives, and pharmaceuticals; hydroxybenzene. Formula: C6H5OH
2.
(chem) any of a class of weakly acidic organic compounds whose molecules contain one or more hydroxyl groups bound directly to a carbon atom in an aromatic ring

phenolic resin

noun
1.
any one of a class of resins derived from phenol, used in paints, adhesives, and as thermosetting plastics See also Bakelite
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for phenolic

phenol

n.

"carbolic acid," 1844, from pheno- + -ol. Discovered in coal tar in 1834; used as an antiseptic from 1867. Related: Phenolic.

Online Etymology Dictionary, © 2010 Douglas Harper
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phenolic in Medicine

phenol phe·nol (fē'nôl', -nōl')
n.

  1. A caustic, poisonous, white crystalline compound derived from benzene and used in pharmaceuticals and in dilute form as an antiseptic. Also called carbolic acid, phenic acid.

  2. Any of a class of aromatic organic compounds having at least one hydroxyl group attached directly to the benzene ring.

phenolic phe·no·lic (fĭ-nō'lĭk, -nŏl'ĭk)
adj.
Of, relating to, containing, or derived from phenol. n.
Any of various synthetic thermosetting resins, obtained by the reaction of phenols with simple aldehydes and used as adhesives.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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phenolic in Science
phenol
  (fē'nôl', -nōl')   
  1. Any of a class of organic compounds that contain a hydroxyl group (OH) attached to a carbon atom that is part of an aromatic ring. Phenols are similar to alcohols but are more soluble in water, and occur as colorless solids or liquids at room temperature. Some phenols occur naturally in the essential oils of plants. Phenols are used in industry to make plastics and detergents.

  2. The simplest phenol, consisting of a benzene ring attached to a hydroxyl group (OH). It is a poisonous, white, crystalline compound and is used to make plastics and drugs. Also called carbolic acid. Chemical formula: C6H6O.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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