Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “acoustic”

See all translations

acoustic

adjective uk   /əˈkuː.stɪk/ us  
relating to sound or hearing: The microphone converts acoustic waves to electrical signals for transmission. used to refer to a musical instrument that is not made louder by electrical equipment: an acoustic guitar

acoustic

noun [C usually plural] uk   /əˈkuː.stɪk/ us  
the way in which the structure of a building or room affects the qualities of musical or spoken sound: The concert was recorded in a church that is famous for its acoustics.
acoustically
adverb uk   /-stɪ.kəl.i/ us  
(Definition of acoustic from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of acoustic?
Add Cambridge dictionaries to your browser to your website

Definitions of “acoustic” in other dictionaries

Word of the Day

sail

When a boat or a ship sails, it travels on the water.

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

dumbwalking noun

April 20, 2015
walking slowly, without paying attention to the world around you because you are consulting a smartphone He told me dumbwalking probably wouldn’t be a long-term problem.

Read More