Sentence Examples with the word Actinic

A mixture of carbon bisulphide vapour and nitric oxide burns with a very intense blue-coloured flame, which is very rich in the violet or actinic rays.

Photography is based on chemical action induced by luminous rays; apart from this practical application there are many other cases in which actinic rays occasion chemical actions; these are treated in the article Photochemistry.

The need is urgent of fixing a scale, and defining standards of actinic brightness; but it has not yet been successfully met.