vanishing : Idioms & Phrases

• (Math.), a fraction which reduces to the form &frac00; 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.

Webster 1913

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

Webster 1913

• noun the point beyond which something disappears or ceases to exist
  
• noun the appearance of a point on the horizon at which parallel lines converge
  

WordNet

• (Persp.), the point to which all parallel lines in the same plane tend in the representation. Gwilt.

Webster 1913

• (Phon.), stress of voice upon the closing portion of a syllable. Rush.

Webster 1913