Discharge, as fumes
I believe the answer is:
emit
(Other definitions for emit that I've seen before include "Release" , "Send forth" , "Send out in time" , "Exude" , "Discharge - utter" .)
I believe the answer is:
emit
(Other definitions for emit that I've seen before include "Release" , "Send forth" , "Send out in time" , "Exude" , "Discharge - utter" .)