Learn how to say Diffract correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word diffract:
[with object] Physics
cause to undergo diffraction:
experiments found that a beam of electrons could be diffracted like light
(as adjective diffracted)
early 19th century: from Latin diffract- ‘broken in pieces’, from the verb diffringere, from dis- ‘away, from’ + frangere ‘to break’