Iridescence (also known as goniochromism) is generally known as the property of certain surfaces which appear to change color as the angle of view or the angle of illumination changes. Iridescence is commonly seen in items such as soap bubbles, butterfly wings, and sea shells.

Etymology

The word iridescence is derived in part from the Greek word ἶρις îris (gen. ἴριδος íridos), meaning rainbow, which in turn derives from the goddess Iris of Greek mythology, who is the personifi...


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