oleograph
n. எண்ணெய் வண்ண அச்சுப்படம்.
O`le*o*graph, n. Etym: [L. oleum oil + -graph.] 1. (Chem.) Defn: The form or figure assumed by a drop of oil when placed upon water or some other liquid with which it does not mix. 2. (Painting) Defn: A picture produced in oils by a process analogous to that of lithographic printing.