initialbroadcast
nounUK /ɪˈnɪʃəl ˈbrɔːdkɑːst/
US /ɪˈnɪʃəl ˈbrɔːdkæst/
The first time a show is sent out on TV or radio.
Millions of people watched the initial broadcast of the space launch.
RELATED WORDS
OTHER MEANINGS
2. The very first message sent out over a network or radio system.
Engineers logged the initial broadcast from the new tower.
3. The first public announcement of important news.
The initial broadcast of the election results came at midnight.
4. The first showing of a recorded program before any repeats.
Fans recorded the initial broadcast on old tapes.