Ōr'mo-lu, n.
n. [Fr. or moulu, from or, gold, Lat. aurum, and moulu, p. p. of moudre, to grind, to mill, Lat. molere.] A variety of brass made to resemble gold by the use of less zinc and more copper in its composition than ordinary brass contains. Its golden color is often heightened by means of acids. It is called also mosaic gold.