Definition of talkback in English:

talkback

Syllabification: talk·back
Pronunciation: /ˈtôkˌbak
 
/

noun

A system of two-way communication by loudspeaker.
More example sentences
  • I noticed, however, that the vocalist was not wearing headphones, so I hit the talkback and asked her if she wanted cans.

Definition of talkback in:

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Pronunciation: ˈnoisəm
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having an extremely offensive smell