# aeronautical

/ˌɛɹəˈnɑtəkəɫ/ (US) · /ˌeəɹəʊnˈɔːtɪkəl/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/aeronautical
Updated: 2026-05-08

## Definition

relating to the design, building, and study of aircraft. You use this to describe the science of flight.

For teachers: relating to the science or practice of building and operating aircraft. Often used in technical or academic contexts to describe engineering and design principles.

## Examples

- She is studying aeronautical engineering at university.
- The team conducted several aeronautical tests to see how the new wing shape handled high winds.
- Advancements in aeronautical research have led to the development of lighter, more fuel-efficient materials that significantly reduce the environmental impact of long-haul commercial flights.

## Usage notes

- Typically used attributively before a noun.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.