Definition: invert

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Source: WordNet (r) 1.7 

invert
     v 1: make an inversion (in a musical composition); "here the
          theme is inverted"
     2: turn inside out or upside down [syn: reverse]

Source: Webster's Revised Unabridged Dictionary (1913) 

Invert \In"vert\, n. (Masonry)
   An inverted arch.
Invert \In*vert"\, v. t. [imp. & p. p. Inverted; p. pr. & vb.
   n. Inverting.] [L. invertere, inversum; pref. in- in +
   vertere to turn. See Verse.]
   1. To turn over; to put upside down; to upset; to place in a
      contrary order or direction; to reverse; as, to invert a
      cup, the order of words, rules of justice, etc.

            That doth invert the attest of eyes and ears, As if
            these organs had deceptious functions. --Shak.

            Such reasoning falls like an inverted cone, Wanting
            its proper base to stand upon.        --Cowper.

   2. (Mus.) To change the position of; -- said of tones which
      form a chord, or parts which compose harmony.

   3. To divert; to convert to a wrong use. [Obs.] --Knolles.

   4. (Chem.) To convert; to reverse; to decompose by, or
      subject to, inversion. See Inversion, n., 10.
Invert \In*vert"\, v. i. (Chem.)
   To undergo inversion, as sugar.
Invert \In"vert\, a. (Chem.)
   Subjected to the process of inversion; inverted; converted;
   as, invert sugar.

   Invert sugar (Chem.), a variety of sugar, consisting of a
      mixture of dextrose and levulose, found naturally in
      fruits, and produced artificially by the inversion of cane
      sugar (sucrose); also, less properly, the grape sugar or
      dextrose obtained from starch. See Inversion,
      Dextrose, Levulose, and Sugar.