• synonyms


[foh-tuh-juh n, -jen]
  1. a light oil obtained by the distillation of bituminous shale, coal, or peat: once commercially produced chiefly as an illuminant and as a solvent.
  2. Biology. a photogenic organ, organism, or substance.
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Origin of photogen

First recorded in 1855–60; photo- + -gen
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for photogen

Historical Examples

  • Photogen turned, looked back toward the castle, and saw a dark speck on the plain.

    Harper's Young People, January 6, 1880


  • But whom should they find at the court but the father and mother of Photogen, both in high favor with the king and queen.

  • Your paper is getting better every week, and the story about "Photogen and Nycteris" is about the best you have published.

  • I like "Photogen and Nycteris" so much that I can hardly wait till the next number comes.

  • So that, as Photogen grew older, Fargu began to tremble, for he found it steadily growing harder to restrain him.