The Collaborative International Dictionary
                    Exhalable
                    
                        
                
                                                                    Exhalable \Ex*hal"a*ble\, a.
   Capable of being exhaled or evaporated. 
--Boyle.
Wiktionary
                    exhalable
                    
                        
                
                                                                    a. Capable of being exhaled or evaporated.