资料来源 : pyDict

灭点

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Vanish \Van"ish\, v. i. [imp. & p. p. {Vanished}; p. pr. & vb.
   n. {Vanishing}.] [OE. vanissen, OF. vanir (in comp.): cf. OF.
   envanir, esvanir, esvanu["i]r, F. s'['e]vanouir; fr. L. vanus
   empty, vain; cf. L. vanescere, evanescere, to vanish. See
   {Vain}, and cf. {Evanescent},{-ish}.]
   1. To pass from a visible to an invisible state; to go out of
      sight; to disappear; to fade; as, vapor vanishes from the
      sight by being dissipated; a ship vanishes from the sight
      of spectators on land.

            The horse vanished . . . out of sight. --Chaucer.

            Go; vanish into air; away!            --Shak.

            The champions vanished from their posts with the
            speed of lightning.                   --Sir W.
                                                  Scott.

            Gliding from the twilight past to vanish among
            realities.                            --Hawthorne.

   2. To be annihilated or lost; to pass away. ``All these
      delights will vanish.'' --Milton.

Vanishing \Van"ish*ing\,
   a. & n. from {Vanish}, v.

   {Vanishing fraction} (Math.), a fraction which reduces to the
      form 0/0 for a particular value of the variable which
      enters it, usually in consequence of the existence of a
      common factor in both terms of the fraction, which factor
      becomes 0 for this particular value of the variable.
      --Math. Dict.

   {Vanishing line} (Persp.), the intersection of the parallel
      of any original plane and picture; one of the lines
      converging to the vanishing point.

   {Vanishing point} (Persp.), the point to which all parallel
      lines in the same plane tend in the representation.
      --Gwilt.

   {Vanishing stress} (Phon.), stress of voice upon the closing
      portion of a syllable. --Rush.

资料来源 : WordNet®

vanishing
     adj : quickly going away and passing out of sight; "all I saw was
           his vanishing back" [syn: {disappearing}]

vanishing
     n 1: a sudden or mysterious disappearance
     2: suddenly disappearing from sight