Rayonism
/ˈreɪənɪz(ə)m/(also Rayonnism, Rayonnisme)
noun
A style of abstract painting developed in Russia in the early 20th cent. by Mikhail Larionov (1881–1964) and Natalia Goncharova (1881–1962), in which intersecting coloured lines representing reflected rays of light are used to give the impression that the image floats outside time and space.
Origin
1920s; earliest use found in Encyclopaedia Britannica. From French rayonnisme from rayon + -isme, after Russian lučizm.