Definition of prelaunch
1
: in preparation for or preliminary to the launch of a spacecraft, missile, satellite, etc.
- a prelaunch inspection
2
: in preparation for or preliminary to the launch of a new product, campaign, etc.
- prelaunch testing of the software
- In the motion picture industry, prelaunch advertising has been shown to increase stock prices and possibly create unrealistic expectations about a movie's performance …
- —Amit Joshi and Dominique M. Hanssens
