variants:
or pre-launch
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
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Time Traveler for prelaunch
The first known use of prelaunch was in 1954
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