Quadratic

2 definitions found

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

  Quadratic \Quad*rat"ic\, a. [Cf. F. quadratique.]
     [1913 Webster]
     1. Of or pertaining to a square, or to squares; resembling a
        quadrate, or square; square.
        [1913 Webster]
  


     2. (Crystallog.) Tetragonal.
        [1913 Webster]
  
     3. (Alg.) Pertaining to terms of the second degree; as, a
        quadratic equation, in which the highest power of the
        unknown quantity is a square.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  quadratic
       adj 1: of or relating to or resembling a square; "quadratic shapes"
       2: of or relating to the second power; "quadratic equation"
       n 1: an equation in which the highest power of an unknown
            quantity is a square [syn: {quadratic equation}]
       2: a polynomial of the second degree [syn: {quadratic
          polynomial}]