Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of photogen is as below...

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

Photogenic :: Photogenic (a.) Of or pertaining to photogeny; producing or generating light.

Photogene :: Photogene (n.) A more or less continued impression or image on the retina.

Dynactinometer :: Dynactinometer (n.) An instrument for measuring the intensity of the photogenic (light-producing) rays, and computing the power of object glasses..

Photogeny :: Photogeny (n.) See Photography.

Photogene :: Photogene (n.) A photograph.

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