optical_illusion
1. [ noun ] (physics) an optical phenomenon that results in a false or deceptive visual impression
Related terms: optical_phenomenon apparent_motion mirage
Similar spelling:   optical_fusion
  optical_flint
  optical_aberration
  optical_prism
  optical_glass
  optical_fibre
  optical_fiber
  optical_condenser
  optical_device
  optical_crown
  optical_bench
  optical_instrument
  optical_opacity