You searched for: “photocatalyst
1. A substance which in sunlight is utilized; such as, chlorophyll in the photosynthesis of carbohydrates by green plants.
2. A substance that is able to produce, by absorption of light, chemical transformations of the reaction participants; for example chlorophyll in a process of photosynthesis.
This entry is located in the following units: cata-, cat-, cath-, kata- (page 7) photo-, phot-, -photic (page 5)