deposit consisting of two or more layers of a metal deposited successively, consisting of either different metals or layers of the same metal with different characteristics (compare: single layer coating), mitmest erinevatest metallidest või samast erinevate näitajatega metallist kihtidest koosnev pinne (vrd monopinne), покрытие, состоящее из двух или более монослоёв (ср. монопокрытие)