MOIRÉ

or moire noun Etymology: French ~, from ~ like moire, from moire Date: 1818 1. an irregular wavy finish on a fabric, a ripple pattern on a stamp, a fabric having a wavy watered appearance, an independent usually shimmering pattern seen when two geometrically regular patterns (as two sets of parallel lines or two halftone screens) are superimposed especially at an acute angle, ~ or moire adjective