Source : Webster's Revised Unabridged Dictionary (1913)

Demolition \Dem`o*li"tion\ (?; 277), n. [L. demolitio, fr.
   demoliri: cf. F. d['e]molition. See {Demolish}.]
   The act of overthrowing, pulling down, or destroying a pile
   or structure; destruction by violence; utter overthrow; --
   opposed to construction; as, the demolition of a house, of
   military works, of a town, or of hopes.

Source : WordNet®

demolition
     n 1: an event (or the result of an event) that completely
          destroys something [syn: {destruction}, {wipeout}]
     2: the act of demolishing