Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A light hydrocarbon oil resembling kerosene, used as a lubricant, illuminant, etc.

from the GNU version of the Collaborative International Dictionary of English

  • n. A light hydrocarbon oil resembling kerosene. It is obtained by distilling coal, paraffin, etc., and is used as a lubricant, illuminant, etc.

from The Century Dictionary and Cyclopedia

  • n. A paraffin-oil: same as kerosene.
  • n. A light-producing organ, as in some invertebrates.

Etymologies

photo- + -gen (Wiktionary)

Examples

  • When they saw that we did not intend to live there, but that rare, glancing metal instruments were set up in it, and that a wonderfully abundant flood of light in comparison with their tent illumination was constantly maintained inside with a kind of light quite unknown to them (stearine candles and photogen lamps) a curious uneasiness began to prevail among them, which we could not quiet with the language of signs mixed with a Chukch word or two, to which our communications with the natives were at that time confined.

    The Voyage of the Vega round Asia and Europe, Volume I and Volume II

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