What does "photochemical" mean?
Photochemical: Of or pertaining to chemical action of light, or produced by it; as, the photochemical changes of the visual purple of the retina.
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00