For those still reading smile more on Damas Moire

Moire comes from the French mouaire (mohair) and is defined as "having a watered or wavelike pattern." Moire (noun pronounced "mwar") and moir (adjective pronounced "mwar-ay") are now used somewhat interchangeably in English, though moire is more often used for the cloth and moir for the pattern. (I think Bro. Larry helped with the French)

Watered silk is a textile which has a moire pattern, a rippling illusory pattern created by lines which are superimposed on each other. Watered silk resembles a body of water with small waves trembling in a breeze.

Moir Antique effect is obtained by first damping the material and folding it with the face side inward, and with the two selvedges running together side by side. The cloth is then passed between heated cylinders and under pressure. Moire Anglaise is an imitation produced mechanically by means of engraved copper rollers.

Effet de moire' refers to the pattern seen when two plates of plate glass have a thin film of water between them; not unlike oil film on water. In textiles, it is used to describe the wavy lines in silk patterns.

Moire' effect seen on a parrot's wing



Another modern Moire' blade



This might be acid etched Moire'