From The Collaborative International Dictionary of English v.0.48 [gcide]:
Ligroin \Lig"ro*in\ (l[i^]g"r[-o]*[i^]n), noun A trade name applied somewhat indefinitely to some of the volatile products obtained in refining crude petroleum. It is a complex and variable mixture of several hydrocarbons, generally boils below 170[deg] Fahr., and is more inflammable than safe kerosene. It is used as a solvent, as a carburetant for air gas, and for illumination in special lamps.
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