- (in radio and television) being broadcast
- She explains how she deals with on-air technical problems.
Oxford Collocations DictionaryOn-air is used with these nouns:- personality
- promotion
Idioms
See on-air in the Oxford Advanced American Dictionaryon/off (the) air
- broadcasting or not broadcasting on television or radio
- We will be back on air tomorrow morning at 7.
- The programme was taken off the air over the summer.
Check pronunciation:
on-air