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vaporific

American  
[vey-puh-rif-ik] / ˌveɪ pəˈrɪf ɪk /

adjective

  1. producing vapor; tending to form vapor.

  2. of, relating to, or of the nature of vapor; vaporous.


vaporific British  
/ ˌveɪpəˈrɪfɪk /

adjective

  1. producing, causing, or tending to produce vapour

  2. of, concerned with, or having the nature of vapour

  3. tending to become vapour; volatile

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of vaporific

First recorded in 1775–85; vapor + -i- + -fic