In`ter*fer"ence(?), n. [See Interfere.]
1. The act or state of interfering; as, the stoppage of a machine by the
interference of some of its parts; a meddlesome
interference in the business of others.
(Physics) The mutual influence, under certain conditions, as from streams of light, or pulsations of sound, or, generally, two waves or vibrations of any kind, producing certain characteristic phenomena, as colored fringes, dark bands, or darkness, in the case of light, silence or increased intensity in sounds; neutralization or superposition of waves generally.
The term is most commonly applied to light, and the undulatory theory of light affords the proper explanation of the phenomena which are considered to be produced by the superposition of waves, and are thus substantially identical in their origin with the phenomena of heat, sound, waves of water, and the like.
(Patent Law) The act or state of interfering, or of claiming a right to the same invention.
(Optics), the figures observed when certain sections of crystallized bodies are viewed in converging polarized light; thus, a section of a uniaxial crystal, cut normal to the vertical axis, shows a series of concentric colored rings with a single black cross; -- so called because produced by the interference of luminous waves. --
(Optics) See Fringe.
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Sun 13th October 2019