Answer: emissive

AnswerCrossword Clue
EMISSIVERadiating
EMISSIVEGiving off
EMISSIVEPertaining to car exhaust
EMISSIVESending out.
EMISSIVETending to radiate
EMISSIVERadiating heat or light, say
EMISSIVEGiving things off
emissiveserving to emit
emissivepertaining to emission
emissiveemitting or sending out