Definition of emit verb from the Oxford Advanced American Dictionary

 

emit

 verb
verb
NAmE//ɪˈmɪt//
 
emit something(formal)Verb Forms present simple I / you / we / they emit
 
he / she / it emits
 
past simple emitted
 
-ing form emitting
 
 
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to send out something such as light, heat, sound, gas, etc. The metal container began to emit a clicking sound. Sulfur gases were emitted by the volcano.
See the Oxford Advanced Learner's Dictionary entry: emit