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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.

Origin of launch window

First recorded in 1960–65
Also called window.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for launch window

launch window

noun
  1. the limited period during which a spacecraft can be launched on a particular mission
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012