Diffraction and Deflection

noun

• When light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands. .

(n.) The deflection and decomposition of light in passing by the edges of opaque bodies or through narrow slits, causing the appearance of parallel bands or fringes of prismatic colors, as by the action of a grating of fine lines or bars.

noun

• A twist or aberration; especially a perverse or abnormal way of judging or acting.
  • synonyms: warp
• The amount by which a propagating wave is bent.
  • synonyms: deflexion, refraction
• The movement of the pointer or pen of a measuring instrument from its zero position.
  • synonyms: deflexion
• The property of being bent or deflected.
  • synonyms: deflexion, bending
• A turning aside (of your course or attention or concern. )
  • usage: "a diversion from the main highway"; "a digression into irrelevant details"; "a deflection from his goal"
  • synonyms: diversion, deviation, digression, deflexion, divagation

• (n.) The deviation of a shot or ball from its true course.
• (n.) The bending which a beam or girder undergoes from its own weight or by reason of a load.
• (n.) The act of turning aside or state of being turned aside; a turning from a right line or proper course; a bending, especially downward; deviation.
• (n.) A deviation of the rays of light toward the surface of an opaque body; inflection; diffraction.