1
: space comprising the earth's atmosphere and the space beyond
2
: a physical science that deals with aerospace
3
: the aerospace industry

aerospace

2 of 2

adjective

: of or relating to aerospace, to vehicles used in aerospace or the manufacture of such vehicles, or to travel in aerospace
aerospace research
aerospace profits
aerospace medicine

Examples of aerospace 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.
Noun
Navigation supports flight control Northrop Grumman LITEF, a German subsidiary of the US defense and aerospace company, will supply the LCR-110 inertial reference system. — Neetika Walter, Interesting Engineering, 17 Oct. 2026 In my work with companies in aerospace, healthcare and manufacturing, AI projects rarely stall because the model is weak. — Jacqueline Destefano-Tangorra, Forbes.com, 16 Oct. 2026
Adjective
Cygnus still flies today, for the aerospace giant Northrop Grumman, which bought Orbital Sciences in 2018. — Mike Wall, Space.com, 11 Sep. 2026 And despite the high barrier to entry for non-aerospace businesses, new companies are getting in on the action. — Amanda Gerut, Fortune, 26 Aug. 2026 See All Example Sentences for aerospace

Word History

Etymology

Noun

derivative of aerospace entry 2

Adjective

aero- + space entry 1

First Known Use

Noun

1959, in the meaning defined at sense 1

Adjective

1955, in the meaning defined above

Time Traveler
The first known use of aerospace was in 1955

Browse Nearby Words

Cite this Entry

“Aerospace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aerospace. Accessed 20 Oct. 2026.

Kids Definition

aerospace

1 of 2 noun
1
: the earth's atmosphere and the space beyond
2
: a science dealing with aerospace

aerospace

2 of 2 adjective
: of or relating to aerospace, to the vehicles used in aerospace or their manufacture, or to travel in aerospace
aerospace medicine
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