optical phenomenon
English Thesaurus
1. a physical phenomenon related to or involving light (noun.phenomenon)
| hypernym | : | physical phenomenon, |
| definition | : | a natural phenomenon involving the physical properties of matter and energy (noun.phenomenon) |
| hyponym | : | absorption band, |
| definition | : | a dark band in the spectrum of white light that has been transmitted through a substance that exhibits absorption at selective wavelengths (noun.phenomenon) |
| hyponym | : | diffraction, |
| definition | : | when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands (noun.phenomenon) |
| hyponym | : | fringe, interference fringe, |
| definition | : | one of the light or dark bands produced by the interference and diffraction of light (noun.phenomenon) |
| hyponym | : | incidence, |
| definition | : | the striking of a light beam on a surface (noun.phenomenon) |
| hyponym | : | optical illusion, |
| definition | : | an optical phenomenon that results in a false or deceptive visual impression (noun.phenomenon) |
| hyponym | : | pleochroism, |
| definition | : | the phenomenon of different colors appearing when certain crystals are viewed from different directions (noun.phenomenon) |
| hyponym | : | polarisation, polarization, |
| definition | : | the phenomenon in which waves of light or other radiation are restricted in direction of vibration (noun.phenomenon) |
| hyponym | : | parallax, |
| definition | : | the apparent displacement of an object as seen from two different points that are not on a line with the object (noun.phenomenon) |
| hyponym | : | tyndall effect, |
| definition | : | the phenomenon in which light is scattered by very small particles in its path; it makes a beam of light visible; the scattered light is mainly blue (noun.phenomenon) |
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