- ac·ti·nic·i·ty (ak″tĭ-nisґĭ-te) actinism.
Medical dictionary. 2011.
Look at other dictionaries:
actinism — ac·ti·nism ak tə .niz əm n the actinic property of radiant energy * * * ac·ti·nism (akґtĭ niz əm) [aktin + ism] the property of radiant energy that produces chemical changes, as in photography or heliotherapy; called also actinicity … Medical dictionary