CaO

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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.
        [1913 Webster]


  
              Like the lime
              That foolish birds are caught with.   --Wordsworth.
        [1913 Webster]
  
     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.
        [1913 Webster +PJC]
  
     Note: Lime is the principal constituent of limestone, marble,
           chalk, bones, shells, etc.
           [1913 Webster]
  
     {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.
        [1913 Webster]

From Virtual Entity of Relevant Acronyms (Version 1.9, June 2002) [vera]:

  CAO
       Computer Aided Office