refraction

== English == === Etymology === Borrowed from Latin refrāctiō. === Pronunciation === IPA(key): /ɹəˈfɹækʃən/ Rhymes: -ækʃən === Noun === refraction (countable and uncountable, plural refractions) (physics) 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. (metallurgy) The degree to which a metal or compound can withstand heat ==== Derived terms ==== ==== Related terms ==== refractive refractory ==== Translations ==== === Anagrams === for certain