neo-impressionism
noun
neo-im·pres·sion·ism ˌnē-ō-im-ˈpre-shə-ˌni-zəm 
often capitalized N&I
: a late 19th century French art theory and practice characterized by an attempt to make impressionism more precise in form and the use of a pointillistic painting technique
neo-impressionist
ˌnē-ō-im-ˈpre-sh(ə-)nist
adjective or noun often capitalized N&I 
Word History
Etymology
borrowed from French néo-impressionisme, from néo- neo- + impressionisme impressionism
First Known Use
1892, in the meaning defined above