英语词汇“naphthalene”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

naph•tha•lene n. [Chem.]

Chemistrya 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

naph•thal•ic naph•tha•len•ic adj.

Collins Concise English Dictionary © HarperCollins Publishers::

naphthalene, naphthaline /ˈnæfθəˌliːn ˈnæp-/naphthalin /ˈnæfθəlɪn ˈnæp-/ n

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

Etymology: 19th Century: from naphtha + alcohol + -ene

naphthalic /næfˈθælɪk næp-/ adj

单词	naphthalene
释义	WordReference Random House Unabridged Dictionary of American English © 2024 naph•tha•lene (naf′thə lēn′, nap′-),USA pronunciation n. [Chem.] Chemistrya 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′thə lin, nap′-).USA pronunciation 1865–70; naphth- + -al³ + -ene naph•thal•ic (naf thal′ik, nap-),USA pronunciation naph•tha•len•ic (naf′thə len′ik, nap′-),USA pronunciation adj. Collins Concise English Dictionary © HarperCollins Publishers:: naphthalene, naphthaline /ˈnæfθəˌliːn ˈnæp-/naphthalin /ˈnæfθəlɪn ˈnæp-/ n 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 Etymology: 19th Century: from naphtha + alcohol + -ene naphthalic /næfˈθælɪk næp-/ adj
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