Actiniadæ

pl. See Actiniidæ. Actinia ria (ak-tin-i-a'ri-ä), n. pl. [NL., property of actinism. The so-called actinic rays, which were discovered by their special activity in connection with the earlier photographic proce es, but which can now be changed into visible rays, are merely vibrations too rapid to affect the eyes. Tait , Light, § 3. Actinic proce , a generic name for any photographic specifically, photo-engraving proce . actino-chemistry (akti-nō-kem'is-tri), n. [