simple past tense and past participle of moiré

A pattern that emerges when two grids are superimposed over one another, sometimes unintended or undesirable in many applications such as in weaving and screenprinting.

(transitive) To give a watered or clouded appearance to (a surface).

plural of moiré

present participle of moiré

an optical effect formed when one family of curves is superposed on another, the lines of the overlapping figures crossing at an ange less than about 45°; the moiré lines are then the locus of the points of intersection

plural of moiré pattern