launch window
noun
1.
a precise time period during which a spacecraft can be launched from a particular site in order to achieve a desired mission, as a rendezvous with another spacecraft.
Also called
window
.
Origin
1960-65
Examples from the web for
launch window
Second, rather than having to wait ages on the ground for the right
launch window
, an air-launcher can fly to a better location.
British Dictionary definitions for
launch window
launch window
noun
1.
the limited period during which a spacecraft can be launched on a particular mission