naphthalene
a white, crystalline, water-insoluble hydrocarbon, C10H8, usually obtained from coal tar: used in making dyes, as a moth repellant, etc.
Origin of naphthalene
1- Also called tar camphor .
- Also naph·tha·line, naph·tha·lin [naf-thuh-lin, nap-]. /ˈnæf θə lɪn, ˈnæp-/.
Other words from naphthalene
- naph·thal·ic [naf-thal-ik, nap-], /næfˈθæl ɪk, næp-/, naph·tha·len·ic [naf-thuh-len-ik, nap-], /ˌnæf θəˈlɛn ɪk, ˌnæp-/, adjective
Words Nearby naphthalene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use naphthalene in a sentence
Eighteen different facilities emit a variety of cancer-causing pollutants such as benzene, butadiene and naphthalene into the air of Port Arthur and its neighboring towns.
The Dirty Secret of America’s Clean Dishes | by Max Blau and Lylla Younes, photography by Kathleen Flynn, special to ProPublica | December 20, 2021 | ProPublicaThe undissolved hydrocarbon is similarly purified by fractional distillation, and furnishes the solid crystalline naphthalene.
Coal | Raphael MeldolaOwing to the structure of the naphthalene molecule there are two isomeric naphthols, whereas there is only one phenol.
Coal | Raphael MeldolaSecondary azo-colours derived from these bases and the usual naphthalene derivatives are also manufactured.
Coal | Raphael MeldolaOther colouring-matters of the same group are in use; some of them, like “new blue,” being derivatives of naphthalene.
Coal | Raphael Meldola
In addition to the azo-colours, there are certain other products which claim naphthalene as a raw material.
Coal | Raphael Meldola
British Dictionary definitions for naphthalene
naphthaline naphthalin (ˈnæfθəlɪn, ˈnæp-)
/ (ˈnæfθəˌliːn, 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: C 10 H 8
Origin of naphthalene
1Derived forms of naphthalene
- naphthalic (næfˈθælɪk, næp-), adjective
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
Scientific definitions for naphthalene
[ năf′thə-lēn′ ]
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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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