photogen (English, noun)
expansion: photogen (plural photogens)
Senses:
topics: chemistry
natural-sciences
physical-sciences
glosses: A light hydrocarbon oil resembling kerosene, used as a lubricant, illuminant, etc.
topics: biology
natural-sciences
glosses: A microorganism that produces phosphorescence.
Forms:
form: photogens
tags: plural
form: photogene
tags: alternative