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    interference fringe
    [ noun ]
    one of the light or dark bands produced by the interference and diffraction of light
    <noun.phenomenon>


    Interference \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.

    2. (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.

    Note: 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.

    3. (Patent Law) The act or state of interfering, or of
    claiming a right to the same invention.

    {Interference figures} (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.

    {Interference fringe}. (Optics) See {Fringe}.

    Fringe \Fringe\ (fr[i^]nj), n. [OF, fringe, F. frange, prob. fr.
    L. fimbria fiber, thread, fringe, cf. fibra fiber, E. fiber,
    fimbriate.]
    1. An ornamental appendage to the border of a piece of stuff,
    originally consisting of the ends of the warp, projecting
    beyond the woven fabric; but more commonly made separate
    and sewed on, consisting sometimes of projecting ends,
    twisted or plaited together, and sometimes of loose
    threads of wool, silk, or linen, or narrow strips of
    leather, or the like.

    2. Something resembling in any respect a fringe; a line of
    objects along a border or edge; a border; an edging; a
    margin; a confine.

    The confines of grace and the fringes of repentance.
    --Jer. Taylor.

    3. (Opt.) One of a number of light or dark bands, produced by
    the interference of light; a diffraction band; -- called
    also {interference fringe}.

    4. (Bot.) The peristome or fringelike appendage of the
    capsules of most mosses. See {Peristome}.

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