# acoustical

/əˈkustɪkəɫ/ (US) · /ɐkˈuːstɪkəl/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/acoustical
Updated: 2026-10-19

## Definition

about sound and how people hear it. You use it for rooms or materials that change or control sound.

For teachers: pertaining to sound, hearing, or the science of acoustics. Often applied to materials, structures, or properties designed to absorb, reflect, or control sound.

## Examples

- The hall uses special acoustical panels on the walls.
- The office installs acoustical tiles to reduce echo during meetings.
- Despite its modern glass facade, the concert hall relies on hidden acoustical treatments to balance clarity and warmth for every seat.

## Synonyms

acoustic

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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.