GNU Collaborative International Dictionary of English

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Found 2 definitions 

  1.       

    Fraction , n. [F. fraction, L. fractio a breaking, fr. frangere, fractum, to break. See Break.]
    1. The act of breaking, or state of being broken, especially by violence. [Obs.]
      1913 Webster
      Neither can the natural body of Christ be subject to any fraction or breaking up.
      Foxe.

      1913 Webster
    2. A portion; a fragment.
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      Some niggard fractions of an hour.
      Tennyson.

      1913 Webster
    3. (Arith. or Alg.) One or more aliquot parts of a unit or whole number; an expression for a definite portion of a unit or magnitude.
      1913 Webster
      Common fraction, or Vulgar fraction, a fraction in which the number of equal parts into which the integer is supposed to be divided is indicated by figures or letters, called the denominator, written below a line, over which is the numerator, indicating the number of these parts included in the fraction; as ½, one half, ⅖, two fifths. -- Complex fraction, a fraction having a fraction or mixed number in the numerator or denominator, or in both. Davies & Peck. -- Compound fraction, a fraction of a fraction; two or more fractions connected by of. -- Continued fraction, Decimal fraction, Partial fraction, etc. See under Continued, Decimal, Partial, etc. -- Improper fraction, a fraction in which the numerator is greater than the denominator. -- Proper fraction, a fraction in which the numerator is less than the denominator.
      1913 Webster
    
      
    
  2.       

    Fraction, v. t. (Chem.) To separate by means of, or to subject to, fractional distillation or crystallization; to fractionate; -- frequently used with out; as, to fraction out a certain grade of oil from pretroleum.
    1913 Webster

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