Meanings
adjectiveunactinic (not comparable)
- not comparableNot actinic.
Every photographer knows quite well how perfectly the vision accommodates itself, in about half an hour, to the feeble unactinic light of the dark-room.
1917, Camera Craft, volume 24, page 501 more example
If the bottles are new, however, or the nature of their previous contents exactly known, the dispenser will sometimes prefer them even to the best unactinic glass in existence.
1884, American Druggist, volume 13, page 233
Origin
Cite this entry
APA
unactinic. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/unactinic
MLA
“unactinic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unactinic. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “unactinic,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/unactinic.
Source: unactinic on Wiktionary, CC BY-SA 4.0.