English Reference

Word

aerospace

Phoneticsaero·space

US/ˈɛɹoʊˌspeɪs/

UK/ˈeəɹəʊspˌeɪs/

Definitions

01the industry

B2 · Upper Intermediate Uncountable noun Science

n. the business and science of designing and building aircraft, rockets, and satellites.

n. the industrial and scientific sector concerned with the design, manufacture, and operation of vehicles moving through the atmosphere and space.

“She studied engineering because she wanted to work in the aerospace industry.”

“The government increased funding for the aerospace sector to encourage the development of more fuel-efficient commercial satellites.”

Usage

Often used as an uncountable noun when referring to the sector as a whole.

02the physical region

C1 · Advanced Uncountable noun Science Technical

n. the Earth's atmosphere and the space right outside it.

n. the combined environment of the Earth's atmosphere and the surrounding space.

“The new telescope will monitor objects moving through aerospace.”

“The treaty was designed to prevent the deployment of weapons in aerospace, ensuring the region remains a zone for peaceful scientific research.”

Usage

Uncountable in this physical sense.

Synonyms

atmosphereouter space

03related to flight or space

B2 · Upper Intermediate Science

adj. related to the science or business of flying in air and space.

adj. pertaining to the science, technology, or industry of aircraft and spacecraft.

“He is an aerospace engineer who designs parts for the space station.”

“The university is renowned for its aerospace research, particularly in the field of carbon-neutral propulsion systems.”

Usage

Always placed before the noun it modifies.

Synonyms

Collocations

Common phrases and expressions where native English speakers use the word “aerospace” in context.

01. aerospace engineering

Real-World Examples

“We are aerospace engineers who study space flight.”
The Conversation 5 Aug 2026
“The Japan Aerospace Exploration Agency (JAXA) hopes that the mission will reveal how Mars and its moons formed, a key piece of knowledge in working out how the solar system was born.”
Phys.org 16 Aug 2026
“The study, published in Nature Physics , was led by Yongjie Hu, a professor of mechanical and aerospace engineering at UCLA Samueli.”
ScienceDaily 7 Aug 2026

Etymology

From aero- + space.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · Advanced
Updated

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English Reference