dictionary help| actinism | medical dictionary |
The property of radiant energy (found chiefly in solar or electric light) by which chemical changes are produced, as in photography.
Origin: Gr, ray.
(01 Mar 1998)
actinide elements, actinides, actiniform, actinin < Prev | Next > actinium, actin kinase, actin N-acetylaminopeptidase
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