naphthalene

[ naf-thuh-leen, nap- ]

/ ˈnæf θəˌlin, ˈnæp- /

noun Chemistry.

a white, crystalline, water-insoluble hydrocarbon, C10H8, usually obtained from coal tar: used in making dyes, as a moth repellant, etc.

Also naph·tha·line, naph·tha·lin

[naf-thuh-lin, nap-]. /ˈnæf θə lɪn, ˈnæp-/.

Also called tar camphor .

Origin of naphthalene

First recorded in 1865–70; naphth- + -al³ + -ene

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

Naphtali, Naphtalite, naphth-, naphtha, naphthacene, naphthalene, naphthalize, naphthene, naphthol, naphthol yellow S, naphthyl

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for naphthalene

If four atoms of chlorine enter the naphthalene molecule the product is a hard wax that rings like a metal.
Creative Chemistry|Edwin E. Slosson
He found that by acting on naphthalene—the moth-ball stuff—with chlorine he got a series of useful products called "halowaxes."
Creative Chemistry|Edwin E. Slosson
From this last statement it will be inferred that naphthalene is now a source of colouring-matters.
Coal|Raphael Meldola
The important constituents of this portion are carbolic acid and naphthalene.
Coal|Raphael Meldola

The same thing applies to quinoline as compared to naphthalene.
Scientific American Supplement, No. 415, December 15, 1883|Various

British Dictionary definitions for naphthalene

naphthalene

naphthaline naphthalin (ˈnæfθəlɪn, ˈnæp-)

/ (ˈnæfθəˌliːn, ˈnæp-) /

noun

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

Derived forms of naphthalene

naphthalic (næfˈθælɪk, næp-), adjective

Word Origin for naphthalene

C19: from naphtha + alcohol + -ene

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

Medical definitions for naphthalene

naphthalene

n.

A toxic carcinogenic hydrocarbon derived from coal tar or petroleum and used as a solvent.

Other words from naphthalene

naph′tha•len′ic (-lĕn′ĭk) adj.

Scientific definitions for naphthalene

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.

单词	naphthalene
释义	naphthalene [ naf-thuh-leen, nap- ] / ˈnæf θəˌlin, ˈnæp- / noun Chemistry. a white, crystalline, water-insoluble hydrocarbon, C10H8, usually obtained from coal tar: used in making dyes, as a moth repellant, etc. Also naph·tha·line, naph·tha·lin [naf-thuh-lin, nap-]. /ˈnæf θə lɪn, ˈnæp-/. Also called tar camphor . Origin of naphthalene First recorded in 1865–70; naphth- + -al³ + -ene 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 Naphtali, Naphtalite, naphth-, naphtha, naphthacene, naphthalene, naphthalize, naphthene, naphthol, naphthol yellow S, naphthyl Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for naphthalene If four atoms of chlorine enter the naphthalene molecule the product is a hard wax that rings like a metal. Creative Chemistry\|Edwin E. Slosson He found that by acting on naphthalene—the moth-ball stuff—with chlorine he got a series of useful products called "halowaxes." Creative Chemistry\|Edwin E. Slosson From this last statement it will be inferred that naphthalene is now a source of colouring-matters. Coal\|Raphael Meldola The important constituents of this portion are carbolic acid and naphthalene. Coal\|Raphael Meldola The same thing applies to quinoline as compared to naphthalene. Scientific American Supplement, No. 415, December 15, 1883\|Various British Dictionary definitions for naphthalene naphthalene naphthaline naphthalin (ˈnæfθəlɪn, ˈnæp-) / (ˈnæfθəˌliːn, ˈnæp-) / noun 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 Derived forms of naphthalene naphthalic (næfˈθælɪk, næp-), adjective Word Origin for naphthalene C19: from naphtha + alcohol + -ene 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 Medical definitions for naphthalene naphthalene n. A toxic carcinogenic hydrocarbon derived from coal tar or petroleum and used as a solvent. Other words from naphthalene naph′tha•len′ic (-lĕn′ĭk) adj. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for naphthalene 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.
随便看	derrida derring-do derringer derris derrière derro derry dertrum derv dervish derwent derwentwater derzhavin des desacralize desai desaix de veygoux desalinate desalination desalinization desalinize desalivate desalt desaparecido desargues