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3 definitions found
 for Bull''s-eye
From The Collaborative International Dictionary of English v.0.48 :

  Condenser \Con*dens"er\, n.
     1. One who, or that which, condenses.
        [1913 Webster]
     2. (Physic)
        (a) An instrument for condensing air or other elastic
            fluids, consisting of a cylinder having a movable
            piston to force the air into a receiver, and a valve
            to prevent its escape.
        (b) An instrument for concentrating electricity by the
            effect of induction between conducting plates
            separated by a nonconducting plate.
        (c) A lens or mirror, usually of short focal distance,
            used to concentrate light upon an object.
            [1913 Webster]
     3. (Chem.) An apparatus for receiving and condensing the
        volatile products of distillation to a liquid or solid
        form, by cooling.
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     4. (Steam Engine) An apparatus, separate from the cylinder,
        in which the exhaust steam is condensed by the action of
        cold water or air. See Illust. of Steam engine.
        [1913 Webster]
     Achromatic condenser (Optics), an achromatic lens used as a
     Bull's-eye condenser, or Bull's-eye (Optics), a lens of
        short focal distance used for concentrating rays of light.
     Injection condenser, a vessel in which steam is condensed
        by the direct contact of water.
     Surface condenser, an apparatus for condensing steam,
        especially the exhaust of a steam engine, by bringing it
        into contact with metallic surface cooled by water or air.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Lantern \Lan"tern\ (l[a^]n"t[~e]rn), n. [F. lanterne, L.
     lanterna, laterna, from Gr. lampth`r light, torch. See
     1. Something inclosing a light, and protecting it from wind,
        rain, etc.; -- sometimes portable, as a closed vessel or
        case of horn, perforated tin, glass, oiled paper, or other
        material, having a lamp or candle within; sometimes fixed,
        as the glazed inclosure of a street light, or of a
        lighthouse light.
        [1913 Webster]
     2. (Arch.)
        (a) An open structure of light material set upon a roof,
            to give light and air to the interior.
        (b) A cage or open chamber of rich architecture, open
            below into the building or tower which it crowns.
        (c) A smaller and secondary cupola crowning a larger one,
            for ornament, or to admit light; such as the lantern
            of the cupola of the Capitol at Washington, or that of
            the Florence cathedral.
            [1913 Webster]
     3. (Mach.) A lantern pinion or trundle wheel. See Lantern
        pinion (below).
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     4. (Steam Engine) A kind of cage inserted in a stuffing box
        and surrounding a piston rod, to separate the packing into
        two parts and form a chamber between for the reception of
        steam, etc.; -- called also lantern brass.
        [1913 Webster]
     5. (Founding) A perforated barrel to form a core upon.
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     6. (Zool.) See Aristotle's lantern.
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     Note: Fig. 1 represents a hand lantern; fig. 2, an arm
           lantern; fig. 3, a breast lantern; -- so named from the
           positions in which they are carried.
           [1913 Webster]
     Dark lantern, a lantern with a single opening, which may be
        closed so as to conceal the light; -- called also
     Lantern jaws, long, thin jaws; hence, a thin visage.
     Lantern pinion, Lantern wheel (Mach.), a kind of pinion
        or wheel having cylindrical bars or trundles, instead of
        teeth, inserted at their ends in two parallel disks or
        plates; -- so called as resembling a lantern in shape; --
        called also wallower, or trundle.
     Lantern shell (Zool.), any translucent, marine, bivalve
        shell of the genus Anatina, and allied genera.
     Magic lantern, an optical instrument consisting of a case
        inclosing a light, and having suitable lenses in a lateral
        tube, for throwing upon a screen, in a darkened room or
        the like, greatly magnified pictures from slides placed in
        the focus of the outer lens.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Bull's-eye \Bull's"-eye`\, n.
     1. (Naut.) A small circular or oval wooden block without
        sheaves, having a groove around it and a hole through it,
        used for connecting rigging.
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     2. A small round cloud, with a ruddy center, supposed by
        sailors to portend a storm.
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     3. A small thick disk of glass inserted in a deck, roof,
        floor, ship's side, etc., to let in light.
        [1913 Webster]
     4. A circular or oval opening for air or light.
        [1913 Webster]
     5. A lantern, with a thick glass lens on one side for
        concentrating the light on any object; also, the lens
        itself. --Dickens.
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     6. (Astron.) Aldebaran, a bright star in the eye of Taurus or
        the Bull.
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     7. (Archery & Gun.) The center of a target.
        [1913 Webster]
     8. A thick knob or protuberance left on glass by the end of
        the pipe through which it was blown.
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     9. A small and thick old-fashioned watch. [Colloq.]
        [1913 Webster]
     10. something that exactly succeeds in achieving its goal;
         as, to score a bull's eye.
     Syn: bell ringer, mark.
          [WordNet 1.5]

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