Meanings
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1
noun
when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands
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2
noun
The bending of a wave around an obstacle.
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3
noun
The breaking up of an electromagnetic wave as it passes a geometric structure (e.g. a slit), followed by reconstruction of the wave by interference.
Thesaurus
Word family
Derived forms
diffractionistdiffractionlessmicrodiffractionsubdiffraction
Etymology
From New Latin diffrāctiō (in which coined by Francesco Maria Grimaldi), from Latin diffrāctus, past participle of Latin diffringo (“to shatter, to break into pieces”). Coined in Physico-mathesis de lumine (1665) by Francesco Maria Grimaldi.