Ray·on·ism  (rā'ə-nĭz'əm)  n. A style of abstract painting allied to futurism, developed about 1911, in which forms are depicted as emitting rays of light. [French rayonisme, from rayon, ray (translation of Russian luchizm, from luch, ray); see rayon.] Ray'on·ist adj. & n., Ray'on·is'tic adj. |