actinism
The property of radiant energy (found chiefly in solar or electric light) by which chemical changes are produced, as in photography.
Length: 8Scrabble® value: 12Words With Friends® value: 15
Numerology value: 7 (Pythagorean letter-sum). See what this number means on NumberAngel.
Source: Webster's Revised Unabridged Dictionary (1913), United States public domain. See methodology for full licensing detail. Word validity for game play may differ from any official game dictionary.