Definition of diffract in English:



  • Cause to undergo diffraction.

    • ‘You wouldn't see the rainbow effect if you used two reflecting surfaces an inch apart because that distance too large to diffract visible light.’
    • ‘So as the single photon's wave function passes through the slits it is diffracted and interferes with itself.’
    • ‘In 1912, Max von Laue predicted that the spacing of crystal layers is small enough to diffract light of the appropriate wavelength.’
    • ‘His lab has developed a chip device that diffracts light in the presence of certain antibodies.’
    • ‘Alternating dark and light parallel lines on the detector mark where columns of silicon atoms diffract the electrons.’


Early 19th century: from Latin diffract- broken in pieces from the verb diffringere, from dis- away, from + frangere to break.