Mach band

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English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

Named after the physicist Ernst Mach.

Noun[edit]

Mach band (plural Mach bands)

Animated Mach bands.
  1. Any of a series of bands of slightly different shades of grey that make up an optical illusion where the contrast between the bands appears to be exaggerated as soon as they contact one another.