e ‧ mit /ɪˈmɪt/ BrE AmE verb ( past tense and past participle emitted , present participle emitting ) [transitive]
[ Date: 1600-1700 ; Language: Latin ; Origin: emittere , from mittere 'to send' ]
to send out gas, heat, light, sound etc:
The kettle emitted a shrill whistle.