English Reference
noun

acoustics

n.
US /əˈkustɪks/ UK /ɐkˈuːstɪks/ acous·tics

  1. 01 C2 Proficiency TechnicalAcademic Science

    the scientific study of sound and how it travels.

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

    Simple

    She decided to study acoustics to learn how to design better headphones.

    In context

    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.'

    phonics

Early results from studies using passive acoustics to assess soil health in garden, forest and farmland ecosystems have proved promising.

Aeon· 17 Aug 2026

From acoustic + -s.

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

This entry
Level C1 · Advanced
Frequency Occasional
Updated