Inactinic
adj
adj ·Rare ·Advanced level
Definitions
Adjective
- 1 That does not produce photochemical reactions (and can be used as a safelight in a photographic darkroom) (of light) not-comparable
Etymology
From in- + actinic.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.