Source : Webster's Revised Unabridged Dictionary (1913)

Vaporific \Vap`o*rif"ic\, a. [L. vapor vapor + facere to make.]
   (Chem.)
   Producing vapor; tending to pass, or to cause to pass, into
   vapor; thus, volatile fluids are vaporific; heat is a
   vaporific agent.

Source : WordNet®

vaporific
     adj 1: used of substances [syn: {evaporable}, {vaporizable}, {volatilizable},
             {volatilisable}]
     2: resembling or characteristic of vapor; "vaporous clouds"
        [syn: {vaporish}, {vapourish}, {vaporous}]