quicklime
    n 1: a white crystalline oxide used in the production of calcium
         hydroxide [syn: calcium oxide, quicklime, lime,
         calx, calcined lime, fluxing lime, unslaked lime,
         burnt lime]

Lime \Lime\, n. [AS. l[imac]m; akin to D. lijm, G. leim, OHG.
   l[imac]m, Icel. l[imac]m, Sw. lim, Dan. liim, L. limus mud,
   linere to smear, and E. loam. [root]126. Cf. Loam,
   Liniment.]
   1. Birdlime.
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            Like the lime
            That foolish birds are caught with.   --Wordsworth.
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   2. (Chem.) Oxide of calcium, CaO; the white or gray,
      caustic substance, usually called quicklime, obtained by
      calcining limestone or shells, the heat driving off carbon
      dioxide and leaving lime. It develops great heat when
      treated with water, forming slaked lime, and is an
      essential ingredient of cement, plastering, mortar, etc.
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   Note: Lime is the principal constituent of limestone, marble,
         chalk, bones, shells, etc.
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   Caustic lime, Calcium hydroxide or slaked lime; also, in a
      less technical sense, calcium oxide or quicklime.

   Lime burner, one who burns limestone, shells, etc., to make
      lime.

   Lime pit, a limestone quarry.

   Lime rod, Lime twig, a twig smeared with birdlime; hence,
      that which catches; a snare. --Chaucer.
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Quicklime \Quick"lime\, n. [See Quick, a.] (Chem.)
   Calcium oxide; unslacked lime; -- so called because when wet
   it develops great heat. See 4th Lime, 2.
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