photogene

from The Collaborative International Dictionary of English v.0.48

Photogen \Pho"to*gen\, n. [Photo- + -gen.] (Chem.)
   A light hydrocarbon oil resembling kerosene. It is obtained
   by distilling coal, paraffin, etc., and is used as a
   lubricant, illuminant, etc. [Written also {photogene}.]
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Photogene \Pho"to*gene\, n. [See {Photogen}.]
   1. A photograph. [Obsoles.]
      [1913 Webster]

   2. A more or less continued impression or image on the
      retina. --H. Spencer.
      [1913 Webster]

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