Dictionary.com

actinism

[ ak-tuh-niz-uhm ]
/ ˈæk təˌnɪz əm /
Save This Word!

noun
the property of radiation by which chemical effects are produced.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of actinism

First recorded in 1835–45; actin- + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use actinism in a sentence

FEEDBACK