photogen definition

  • noun:
    • A light hydrocarbon oil resembling kerosene, utilized as a lubricant, illuminant, etc.
    • A light hydrocarbon oil resembling kerosene. It is obtained by distilling coal, paraffin, etc., and is utilized as a lubricant, illuminant, etc.
    • A paraffin-oil: identical to kerosene.
    • A light-producing organ, like in some invertebrates.

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  • Sentence for "photogen"
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