launch window

noun

: window sense 8

Examples of launch window in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
When there’s a launch window in the middle of the night or very early morning, there’s an opportunity for unique photos — the rocket lights up the dark sky, and the contrail afterward makes for a great photo. — Lianna Norman, Florida Times-Union, 28 Aug. 2026 Plausibly, then, Chinese forecasters determined that the weather would not break before the current launch window to reach the lunar pole from Wenchang closes. — Eric Berger, ArsTechnica, 23 Aug. 2026 Give or take a few days, this is the predictable launch window of every new iPhone. — Ewan Spence, Forbes.com, 22 Aug. 2026 Because this trajectory depends on the planets being in the right positions, launching a couple of days late or early could cause the spacecraft to miss or overshoot Mars, requiring a wait of another 25–26 months for a viable launch window. — Encyclopedia Britannica, 11 Aug. 2026 See All Example Sentences for launch window

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of launch window was in 1962

Rhymes for launch window

See All Rhymes for launch window

Browse Nearby Words

launch vehicle
launch window
laund
See all Nearby Words

Cite this Entry

“Launch window.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/launch%20window. Accessed 1 Sep. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Why does English have so many silent letters?

7 Pairs of Commonly Confused Words
See More

Popular in Wordplay

See More

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
skateboard-dog-hat
Wordmaxxing Slang Quiz Give your vocabulary a glow up by getting sendy w...
See All