Source : Webster's Revised Unabridged Dictionary (1913)

Solidify \So*lid"i*fy\, v. t. [imp. & p. p. {Solidified}; p. pr.
   & vb. n. {Solidifying}.] [Solid + -fy: cf. F. solidifier.]
   To make solid or compact.

         Every machine is a solidified mechanical theorem. --H.
                                                  Spencer.

Source : WordNet®

solidifying
     n : the process of becoming hard or solid by cooling or drying
         or crystallization; "the hardening of concrete"; "he
         tested the set of the glue" [syn: {hardening}, {solidification},
          {set}, {curing}]