Meaning of BATTERY in English

bat ‧ ter ‧ y S2 /ˈbæt ə ri/ BrE AmE noun ( plural batteries )

[ Date: 1500-1600 ; Language: Old French ; Origin: baterie , from batre 'to hit' ; ]

[ Sense 4: Origin: from the idea of hitting with gunfire; ]

[ Sense 1: Origin: from the idea of a group of electricity-producing cells joined together ]

1 . ELECTRICITY [countable] an object that provides a supply of electricity for something such as a radio, car, or toy:

You have to take the top off to change the batteries.

When the red light comes on, you should recharge the battery.

The car’s got a flat battery.

a battery-operated hairdryer

2 . a battery of something a group of many things of the same type:

a battery of medical tests

3 . FARM [countable] British English a row of small ↑ cage s in which chickens are kept, so that the farm can produce large numbers of eggs:

battery hens

⇨ ↑ free-range

4 . GUNS [countable] several large guns used together:

an anti-aircraft battery

5 . CRIME [uncountable] law the crime of hitting someone:

He was charged with assault and battery.

⇨ ↑ assault and battery

6 . recharge your batteries informal to rest or relax in order to get back your energy:

A week in the mountains should recharge my batteries.

• • •


■ adjectives

▪ flat British English , dead American English (=with no more electricity in it)

I'd left the headlights on and the battery was completely flat.

▪ low (=with little electricity in it)

He could see the battery was low on his laptop.

▪ a car/torch/phone etc battery

Have you checked your mobile phone battery?

▪ a rechargeable battery (=one that you can put more electricity in and use again)

The camera uses rechargeable batteries.

▪ a spare battery (=an extra one, in case you need it)

Take a torch and spare batteries.

■ verbs

▪ change/replace the battery (=put a new battery in something)

You may need to change the battery in the smoke alarm.

▪ charge/recharge a battery (=put more electricity in it)

It takes eight hours to fully recharge the battery.

▪ use batteries ( also run on batteries )

The clock runs on two 9-volt batteries.

▪ put a battery in

She had put new batteries in the radio.

▪ take a battery out

I''ll take the batteries out while I'm not using it.

■ nouns

▪ a battery charger (=a piece of equipment for charging batteries)

Don't forget to pack your battery charger.

▪ battery power

You can plug your laptop in or use it on battery power.

▪ battery life (=how long a battery produces electricity)

My old phone had a longer battery life.

■ phrases

▪ battery powered/operated

A lot of children's toys are battery operated.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.