Macmillan Dictionary

Did you know?

Click any word in a definition or example to find the entry for that word

battery

 - definition
 
 
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

more
noun American English pronunciation: battery /ˈbæt(ə)ri/ 
Word Forms
Close
singularbattery
pluralbatteries
Other entries for this word
  1. 1
    [countable] an object that fits into something such as a radio, clock, or car and supplies it with electricity

    I need some new batteries for my Walkman.

    The battery is dead (=no longer working).

    charge/recharge a battery (=provide it with power):

    Maybe it won't start because the battery needs recharging.

    Thesaurus entry for this meaning of battery
  4. 4
    [singular] a group of similar things
    battery of:

    He put her through a battery of tests.

    Thesaurus entry for this meaning of battery
See also

This is the American English definition of battery. View British English definition of battery.

Change your default dictionary and thesaurus to British English.

 

charticle

a news article that consists of a chart … and only has a small amount of text

BuzzWord Article

Word of the Day

tweet

the short high sound that a small bird makes

Open Dictionary

never event

an event that should never occur in a healthcare setting …

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog