Definition

Noun: A rechargeable battery that provides the electrical power necessary to start a vehicle's engine and to run its electrical components when the engine is not running. It is typically a 12-volt lead-acid battery.

Usage

The term "automobile battery" refers specifically to the main battery used in cars, trucks, and other motor vehicles. It is a crucial component for engine ignition and powering lights, radio, and other systems.

Examples

• The automobile battery died after the headlights were left on all night.
• A mechanic tested the automobile battery and confirmed it needed to be replaced.
• Modern automobile batteries are designed to be maintenance-free.

Advanced Usage

• "to jump-start an automobile battery": To use jumper cables and another vehicle's battery to provide enough power to start an engine with a depleted battery.
  • I had to jump-start my automobile battery this morning because of the cold weather.

Variants and Related Words

• Car battery: A more common, informal synonym for "automobile battery."
• Lead-acid battery: The technical term for the most common type of automobile battery, describing its internal chemistry.
• Starter battery: A term emphasizing the battery's primary function of starting the engine.
• 12-volt battery: A specification describing the standard electrical output for most automobile batteries.

Synonyms

• Car battery
• Vehicle battery
• Starter battery

Related Phrases

• "Dead battery": A battery that has been fully discharged and can no longer provide sufficient power.
  • A dead automobile battery is a common cause of a car not starting.
• "Battery terminal": The electrical contacts (positive and negative) on an automobile battery where cables are attached.
  • Corrosion on the battery terminals can prevent the car from starting.

Noun

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