# acoustics

/əˈkustɪks/ (US) · /ɐkˈuːstɪks/ (UK)

Source: https://englishreference.com/word/acoustics
Updated: 2026-08-27

## Senses

### 2. the study of sound

noun · CEFR C2 · Technical · Academic

the scientific study of sound and how it travels.

For teachers: the branch of physics concerned with the properties of sound. Treated as a singular noun in this context.

- She decided to study acoustics to learn how to design better headphones.
- Modern acoustics involves complex mathematical modelling to predict how sound waves interact with different materials in urban environments.

Usage: When referring to the science, the word is treated as singular: 'Acoustics is a difficult subject.'

## Examples

- The acoustics in this concert hall are amazing.
- The architect worked closely with an engineer to improve the acoustics of the new theater.
- While the cathedral's high ceilings create a beautiful sense of space, the acoustics are notoriously difficult for spoken word due to the long reverberation time.

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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.