prelaunch

[pree-lawnch, -lahnch]

adjective

preparatory to launch, as of a spacecraft.

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Origin of prelaunch

pre- + launch¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pre-launch

Contemporary Examples

Compared to the pre-launch prediction of 500,000 private enrollees in the first month, the news is disappointing.
First Obamacare Enrollment Numbers Are Dismal, but It’s No Failure Yet
Jamelle Bouie
November 14, 2013

Historical Examples

There was no reason to suppose that the warhead had been temperature-controlled during the pre-launch countdown.
Pushbutton War
Joseph P. Martino