Dilatation

2 definitions found

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

  Dilatation \Dil`a*ta"tion\, n. [OE. dilatacioun, F. dilatation,
     L. dilatatio, fr. dilatare. See {Dilate}, and cf. 2d
     {Dilation}.]
     1. Prolixity; diffuse discourse. [Obs.] "What needeth greater
        dilatation?" --Chaucer.
        [1913 Webster]


  
     2. The act of dilating; expansion; an enlarging on al? sides;
        the state of being dilated; dilation.
        [1913 Webster]
  
     3. (Anat.) A dilation or enlargement of a canal or other
        organ.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  dilatation
       n 1: the state of being stretched beyond normal dimensions [syn:
            {distension}, {distention}]
       2: the act of expanding an aperture; "the dilation of the pupil
          of the eye" [syn: {dilation}]