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3 definitions found
 for Plate glass
From The Collaborative International Dictionary of English v.0.48 :

  Glass \Glass\ (gl[.a]s), n. [OE. glas, gles, AS. gl[ae]s; akin
     to D., G., Dan., & Sw. glas, Icel. glas, gler, Dan. glar; cf.
     AS. gl[ae]r amber, L. glaesum. Cf. Glare, n., Glaze, v.
     [1913 Webster]
     1. A hard, brittle, translucent, and commonly transparent
        substance, white or colored, having a conchoidal fracture,
        and made by fusing together sand or silica with lime,
        potash, soda, or lead oxide. It is used for window panes
        and mirrors, for articles of table and culinary use, for
        lenses, and various articles of ornament.
        [1913 Webster]
     Note: Glass is variously colored by the metallic oxides;
           thus, manganese colors it violet; copper (cuprous),
           red, or (cupric) green; cobalt, blue; uranium,
           yellowish green or canary yellow; iron, green or brown;
           gold, purple or red; tin, opaque white; chromium,
           emerald green; antimony, yellow.
           [1913 Webster]
     2. (Chem.) Any substance having a peculiar glassy appearance,
        and a conchoidal fracture, and usually produced by fusion.
        [1913 Webster]
     3. Anything made of glass. Especially:
        (a) A looking-glass; a mirror.
        (b) A vessel filled with running sand for measuring time;
            an hourglass; and hence, the time in which such a
            vessel is exhausted of its sand.
            [1913 Webster]
                  She would not live
                  The running of one glass.         --Shak.
        (c) A drinking vessel; a tumbler; a goblet; hence, the
            contents of such a vessel; especially; spirituous
            liquors; as, he took a glass at dinner.
        (d) An optical glass; a lens; a spyglass; -- in the
            plural, spectacles; as, a pair of glasses; he wears
        (e) A weatherglass; a barometer.
            [1913 Webster]
     Note: Glass is much used adjectively or in combination; as,
           glass maker, or glassmaker; glass making or
           glassmaking; glass blower or glassblower, etc.
           [1913 Webster]
     Bohemian glass, Cut glass, etc. See under Bohemian,
        Cut, etc.
     Crown glass, a variety of glass, used for making the finest
        plate or window glass, and consisting essentially of
        silicate of soda or potash and lime, with no admixture of
        lead; the convex half of an achromatic lens is composed of
        crown glass; -- so called from a crownlike shape given it
        in the process of blowing.
     Crystal glass, or Flint glass. See Flint glass, in the
     Cylinder glass, sheet glass made by blowing the glass in
        the form of a cylinder which is then split longitudinally,
        opened out, and flattened.
     Glass of antimony, a vitreous oxide of antimony mixed with
     Glass cloth, a woven fabric formed of glass fibers.
     Glass coach, a coach superior to a hackney-coach, hired for
        the day, or any short period, as a private carriage; -- so
        called because originally private carriages alone had
        glass windows. [Eng.] --Smart.
        [1913 Webster]
              Glass coaches are [allowed in English parks from
              which ordinary hacks are excluded], meaning by this
              term, which is never used in America, hired
              carriages that do not go on stands.   --J. F.
     Glass cutter.
        (a) One who cuts sheets of glass into sizes for window
            panes, ets.
        (b) One who shapes the surface of glass by grinding and
        (c) A tool, usually with a diamond at the point, for
            cutting glass.
     Glass cutting.
        (a) The act or process of dividing glass, as sheets of
            glass into panes with a diamond.
        (b) The act or process of shaping the surface of glass by
            appylying it to revolving wheels, upon which sand,
            emery, and, afterwards, polishing powder, are applied;
            especially of glass which is shaped into facets, tooth
            ornaments, and the like. Glass having ornamental
            scrolls, etc., cut upon it, is said to be engraved.
     Glass metal, the fused material for making glass.
     Glass painting, the art or process of producing decorative
        effects in glass by painting it with enamel colors and
        combining the pieces together with slender sash bars of
        lead or other metal. In common parlance, glass painting
        and glass staining (see Glass staining, below) are used
        indifferently for all colored decorative work in windows,
        and the like.
     Glass paper, paper faced with pulvirezed glass, and used
        for abrasive purposes.
     Glass silk, fine threads of glass, wound, when in fusion,
        on rapidly rotating heated cylinders.
     Glass silvering, the process of transforming plate glass
        into mirrors by coating it with a reflecting surface, a
        deposit of silver, or a mercury amalgam.
     Glass soap, or Glassmaker's soap, the black oxide of
        manganese or other substances used by glass makers to take
        away color from the materials for glass.
     Glass staining, the art or practice of coloring glass in
        its whole substance, or, in the case of certain colors, in
        a superficial film only; also, decorative work in glass.
        Cf. Glass painting.
     Glass tears. See Rupert's drop.
     Glass works, an establishment where glass is made.
     Heavy glass, a heavy optical glass, consisting essentially
        of a borosilicate of potash.
     Millefiore glass. See Millefiore.
     Plate glass, a fine kind of glass, cast in thick plates,
        and flattened by heavy rollers, -- used for mirrors and
        the best windows.
     Pressed glass, glass articles formed in molds by pressure
        when hot.
     Soluble glass (Chem.), a silicate of sodium or potassium,
        found in commerce as a white, glassy mass, a stony powder,
        or dissolved as a viscous, sirupy liquid; -- used for
        rendering fabrics incombustible, for hardening artificial
        stone, etc.; -- called also water glass.
     Spun glass, glass drawn into a thread while liquid.
     Toughened glass, Tempered glass, glass finely tempered or
        annealed, by a peculiar method of sudden cooling by
        plunging while hot into oil, melted wax, or paraffine,
        etc.; -- called also, from the name of the inventor of the
        process, Bastie glass.
     Water glass. (Chem.) See Soluble glass, above.
     Window glass, glass in panes suitable for windows.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Plate \Plate\, n. [OF. plate a plate of metal, a cuirsas, F.
     plat a plate, a shallow vessel of silver, other metal, or
     earth, fr. plat flat, Gr. ?. See Place, n.]
     1. A flat, or nearly flat, piece of metal, the thickness of
        which is small in comparison with the other dimensions; a
        thick sheet of metal; as, a steel plate.
        [1913 Webster]
     2. Metallic armor composed of broad pieces.
        [1913 Webster]
              Mangled . . . through plate and mail. --Milton.
        [1913 Webster]
     3. Domestic vessels and utensils, as flagons, dishes, cups,
        etc., wrought in gold or silver.
        [1913 Webster]
     4. Metallic ware which is plated, in distinction from that
        which is silver or gold throughout.
        [1913 Webster]
     5. A small, shallow, and usually circular, vessel of metal or
        wood, or of earth glazed and baked, from which food is
        eaten at table.
        [1913 Webster]
     6. [Cf. Sp. plata silver.] A piece of money, usually silver
        money. [Obs.] "Realms and islands were as plates dropp'd
        from his pocket." --Shak.
        [1913 Webster]
     7. A piece of metal on which anything is engraved for the
        purpose of being printed; hence, an impression from the
        engraved metal; as, a book illustrated with plates; a
        fashion plate.
        [1913 Webster]
     8. A page of stereotype, electrotype, or the like, for
        printing from; as, publisher's plates.
        [1913 Webster]
     9. That part of an artificial set of teeth which fits to the
        mouth, and holds the teeth in place. It may be of gold,
        platinum, silver, rubber, celluloid, etc.
        [1913 Webster]
     10. (Arch.) A horizontal timber laid upon a wall, or upon
         corbels projecting from a wall, and supporting the ends
         of other timbers; also used specifically of the roof
         plate which supports the ends of the roof trusses or, in
         simple work, the feet of the rafters.
         [1913 Webster]
     11. (Her.) A roundel of silver or tinctured argent.
         [1913 Webster]
     12. (Photog.) A sheet of glass, porcelain, metal, etc., with
         a coating that is sensitive to light.
         [1913 Webster]
     13. A prize giving to the winner in a contest.
         [1913 Webster]
     14. (Baseball) A small five-sided area (enveloping a
         diamond-shaped area one foot square) beside which the
         batter stands and which must be touched by some part of a
         player on completing a run; -- called also home base,
         or home plate.
         [Webster 1913 Suppl.]
     15. One of the thin parts of the bricket of an animal.
         [Webster 1913 Suppl.]
     16. A very light steel racing horsehoe.
         [Webster 1913 Suppl.]
     17. Loosely, a sporting contest for a prize; specif., in
         horse racing, a race for a prize, the contestants not
         making a stake.
         [Webster 1913 Suppl.]
     18. Skins for fur linings of garments, sewed together and
         roughly shaped, but not finally cut or fitted. [Furrier's
         [Webster 1913 Suppl.]
     19. (Hat Making) The fine nap (as of beaver, hare's wool,
         musquash, nutria, or English black wool) on a hat the
         body of which is of an inferior substance.
         [Webster 1913 Suppl.]
     20. a quantity sufficient to fill a plate; a plateful; a
         dish containing that quantity; a plate of spaghetti.
     21. the food and service supplied to a customer at a
         restaurant; as, the turkey dinner is $9 a plate; I'll
         have a plate of spaghetti.
     22. a flat dish of glass or plastic with a fitted cover, used
         for culturing microorganisms in a laboratory.
     23. the identification tag required to be displayed on the
         outside of a vehicle; same as license plate; -- often
         used in the plural.
     24. an agenda or schedule of tasks to be performed; I have a
         lot on my plate today. [colloq.]
     Note: Plate is sometimes used in an adjectival sense or in
           combination, the phrase or compound being in most cases
           of obvious signification; as, plate basket or
           plate-basket, plate rack or plate-rack.
           [1913 Webster]
     Home plate. (Baseball) See Home base, under Home.
     Plate armor.
         (a) See Plate, n., 2.
         (b) Strong metal plates for protecting war vessels,
             fortifications, and the like.
     Plate bone, the shoulder blade, or scapula.
     Plate girder, a girder, the web of which is formed of a
        single vertical plate, or of a series of such plates
        riveted together.
     Plate glass. See under Glass.
     Plate iron, wrought iron plates.
     Plate layer, a workman who lays down the rails of a railway
        and fixes them to the sleepers or ties.
     Plate mark, a special mark or emblematic figure stamped
        upon gold or silver plate, to indicate the place of
        manufacture, the degree of purity, and the like; thus, the
        local mark for London is a lion.
     Plate paper, a heavy spongy paper, for printing from
        engraved plates. --Fairholt.
     Plate press, a press with a flat carriage and a roller, --
        used for printing from engraved steel or copper plates.
     Plate printer, one who prints from engraved plates.
     Plate printing, the act or process of printing from an
        engraved plate or plates.
     Plate tracery. (Arch.) See under Tracery.
     Plate wheel (Mech.), a wheel, the rim and hub of which are
        connected by a continuous plate of metal, instead of by
        arms or spokes.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

  plate glass
      n 1: glass formed into large thin sheets [syn: plate glass,
           sheet glass]

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