nLigroinA 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° 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.
Century Dictionary and Cyclopedia
nligroinThat part of petroleum which has a boiling-point between 90° and 120° C.