Pausias (pôˈshēəs) [key], fl. 1st half of 4th cent. B.C., Greek painter. He was celebrated for his decorative paintings, particularly in encaustic, a method which he is said to have invented. His most famous single work, A Sacrifice, containing an admirably foreshortened and modeled figure of a bull, was preserved until late Roman times in the portico of Pompey's temple in Rome.