photoactinic

[ foh-toh-ak-tin-ik ]
/ ˌfoʊ toʊ ækˈtɪn ɪk /

adjective

emitting radiation having the chemical effects of light and ultraviolet rays, as on a photographic film.

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Origin of photoactinic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for photoactinic

photoactinic
/ (ˌfəʊtəʊækˈtɪnɪk) /

adjective

emitting actinic radiation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012