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单词 pyronaphtha
释义

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pyronaphtha
pyronaphtha n.
Brit. /ˌpʌɪrə(ʊ)ˈnafθə/
,
/ˌpʌɪrə(ʊ)ˈnapθə/
,
U.S. /ˌpaɪrəˈnæpθə/
,
/ˌpaɪrəˈnæfθə/
now rare a mixture of products of petroleum distillation, similar to kerosene but denser and less flammable, and used in oil lamps and kitchen ranges.Pyronaphtha was produced esp. in Russia and surrounding countries.
ΚΠ
1885 Daily Democratic Times (Lima, Ohio) 19 Aug. 2/1 The new illuminating material known by the name of pyronaphtha..is likely to prove a satisfactory and important substitute for ordinary kerosene.
1890 Cent. Dict. Pyronaphtha, an illuminating agent which has been prepared in Russia from the waste products of the distillation of Baku petroleum.
1919 Geogr. Jrnl. 54 372 The cabins were lighted with pyro-naphtha lamps.
1974 Analyt. Chem. 46 161/2 Indane and indene were also found in the heavy ends of the pyronaphtha.
extracted from pyro-comb. form
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更新时间:2024/9/21 1:47:44