Tyndall effect

British  

/ ˈtɪndəl /

noun

1. the phenomenon in which light is scattered by particles of matter in its path. It enables a beam of light to become visible by illuminating dust particles, etc

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Etymology

Origin of Tyndall effect

C19: named after John Tyndall (1820–93), Irish physicist

Example Sentences

At a molecular level, the color originates from the Tyndall effect, the scattering of light by the skin itself, Bercovitch says.

From National Geographic

Other side effects that may last up to 48 hours include bruising, bumps, swelling or a so-called Tyndall effect, which causes the under-eye skin to look bluish.

From New York Times