refraction

Meanings

Plural: refractions

Noun

• the change in direction of a propagating wave (light or sound) when passing from one medium to another
• the amount by which a propagating wave is bent
• The turning or bending of any wave, such as a light or sound wave, when it passes from one medium into another of different optical density.
• The degree to which a metal or compound can withstand heat

Synonyms

deflection, deflexion

Related Words

refractive, refractory