Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “instrument”

instrument

noun [C] uk   /ˈɪn.strə.mənt/ us  

instrument noun [C] (MUSIC)

A2 (also musical instrument) an object, such as a piano, guitar, or drum, that is played to produce musical sounds: Which instrument do you play?

instrument noun [C] (TOOL)

C1 a tool or other device, especially one without electrical power, used for performing a particular piece of work: surgical instruments instruments of torture The man's injuries had obviously been caused by a blunt instrument. a device used for measuring speed, height, etc. in vehicles, especially aircraft: the instrument panel The lightning had damaged the plane's instruments, and they weren't giving any readings. C2 formal a way of achieving or causing something: He saw the theatre as an instrument of change - a way of forcing people to consider social and political issues.

instrument noun [C] (FINANCE)

a type of investment in a company or in government debt that can be traded on the financial markets: They trade in the debt instruments of developing countries. increasingly complex financial instruments
(Definition of instrument from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of instrument?
Add Cambridge dictionaries to your browser to your website

Definitions of “instrument” in other dictionaries

Word of the Day

see the light of day

When something sees the light of day, it appears for the first time.

Word of the Day

Highly delighted, bitterly disappointed, ridiculously cheap: adverbs for emphasis.

by Liz Walter,
October 22, 2014
We often make adjectives stronger by putting an adverb in front of them. The most common ones are very and, for a stronger meaning, extremely: He was very pleased. The ship is extremely large. However, we don’t use very or extremely for adjectives that already have a strong meaning, for example fantastic,

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More