naphtha lenes


[naf-thuh-leen, nap-]
noun Chemistry.
a white, crystalline, water-insoluble hydrocarbon, C 1 0 H 8 , usually obtained from coal tar: used in making dyes, as a moth repellant, etc.
Also, naphthaline, naphthalin [naf-thuh-lin, nap-] .
Also called tar camphor.

1865–70; naphth- + -al3 + -ene

naphthalic [naf-thal-ik, nap-] , naphthalenic [naf-thuh-len-ik, nap-] , adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
naphthalene, naphthaline or naphthalin (ˈnæfθəˌliːn, ˈnæp-, ˈnæfθəˌliːn, ˈnæp-, ˈnæfθəlɪn, ˈnæp-)
a white crystalline volatile solid with a characteristic penetrating odour: an aromatic hydrocarbon used in mothballs and in the manufacture of dyes, explosives, etc. Formula: C10H8
[C19: from naphtha + alcohol + -ene]
naphthaline, naphthaline or naphthalin
[C19: from naphtha + alcohol + -ene]
naphthalin, naphthaline or naphthalin
[C19: from naphtha + alcohol + -ene]
naphthalic, naphthaline or naphthalin

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

naphthalene naph·tha·lene or naph·tha·line (nāf'thə-lēn', nāp'-) or naph·tha·lin (-lĭn)
A toxic carcinogenic hydrocarbon derived from coal tar or petroleum and used as a solvent.

naph'tha·len'ic (-lěn'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
naphthalene   (nāf'thə-lēn')  Pronunciation Key 
A white crystalline compound made from coal tar or petroleum and used to make dyes, mothballs, explosives, and solvents. Naphthalene consists of two benzene rings fused together. Chemical formula: C10H8.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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