Tyndall effect

/ 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

Word History and Origins

Origin of Tyndall effect¹

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.

Read more on 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.

Read more on New York Times