either of two isomeric derivatives of naphthalene: a liquid (1-methylnaphthalene), used in standardizing diesel fuels, or a solid (2-methylnaphthalene), an insecticide
methylnaphthalene in American English
(ˌmeθəlˈnæfθəˌlin, -ˈnæp-)
noun
Chemistry
a compound, C11H10, whose alpha isomer, a colorless liquid, is used in determining cetane numbers
Word origin
[1880–85; methyl- + naphthalene]This word is first recorded in the period 1880–85. Other words that entered Englishat around the same time include: automatism, impressionism, interface, irredentist, jackpotmethyl- is a combining form occurring in the names of chemical compounds in which the methylgroup is present. Other words that use the affix methyl- include: methylal, methylamine, methylate, methylic, methylparaben
Examples of 'methylnaphthalene' in a sentence
methylnaphthalene
According to component analysis, 1-methylnaphthalene and eicosane are considered the typical molecules in mineral oil.
Yachao Wang, Feipeng Wang, Jian Li, Suning Liang, Jinghan Zhou 2018, 'Electronic Properties of Typical Molecules and the Discharge Mechanism of Vegetableand Mineral Insulating Oils', Energieshttp://www.mdpi.com/1996-1073/11/3/523. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
As potentially problematic substances 1- and 2- methylnaphthalene were analysed as indicators for methylated hydrocarbons in pyrolysis products.
Frišták Vladimír, Graser Marion, Pipíška Martin, Micháleková-Richveisová Barbora,Soja Gerhard 2016, 'Pyrolysis Products as Soil Fertilizers: Screening of Potentially Hazardous AromaticCompounds', Nova Biotechnologica et Chimicahttp://www.degruyter.com/view/j/nbec.2016.15.issue-1/nbec-2016-0004/nbec-2016-0004.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)