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...

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

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

Photogeny :: Photogeny (n.) See Photography.

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

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..

Photogene :: Photogene (n.) A photograph.

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