- photochemical smog,
- photochromic lens,
Origin of photochemistry
Examples from the Web for photochemical
Scheele's work aroused much interest in photochemical effects and many investigations followed.
The foregoing are only a few of the multitude of photochemical reactions and other effects of radiant energy.
The product of photochemical decomposition no longer forms azo-colours with amines or phenols.Coal|Raphael Meldola
We must therefore conclude that the heliotropic curvature of the polyps is determined by a photochemical action of the light.The Organism as a Whole|Jacques Loeb