car battery

noun

A 12-volt battery used to run the electric starter motor in order to ignite the internal combustion engine of an automobile, and power accessories when the engine is off and the alternator is not turning.

Meanings

nouncar battery (plural car batteries)

plural car batteries

  1. automotiveA 12-volt battery used to run the electric starter motor in order to ignite the internal combustion engine of an automobile, and power accessories when the engine is off and the alternator is not turning.

    Synonyms: automotive battery, automobile battery, starter battery

Synonyms & antonyms

nounA 12-volt battery used to run the electric starter motor in order to ignite the internal combustion engine of an automobile, and power accessories when the engine is off and the alternator is not turning.

More synonyms by meaning

nouna lead-acid storage battery in a motor vehicle; usually a 12-volt battery of six cells; the heart of the car's electrical system

Broader
lead-acid batterylead-acid accumulator

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

German Autobatterie
  • Autobatteriebattery used to start the engine of an automobile
Polish akumulator samochodowy
  • akumulator samochodowybattery used to start the engine of an automobile
Portuguese bateria de carro
  • bateria de carrobattery used to start the engine of an automobile
Swedish bilbatteri
  • bilbatteribattery used to start the engine of an automobile
Cite this entry
APA

car battery. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/car%20battery

MLA

“car battery.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/car%20battery. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “car battery,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/car%20battery.

Source: car battery on Wiktionary, CC BY-SA 4.0.