Definition

Noun: * The pedal in a vehicle that a driver presses with their foot to activate the braking system, slowing down or stopping the vehicle. It is directly connected to the master brake cylinder.

Usage

The term "brake pedal" is used to refer specifically to the control for the main braking system. It is a compound noun where "brake" specifies the type of pedal.

Examples: * "Press the brake pedal firmly to come to a complete stop." * "If the brake pedal feels soft or spongy, there may be air in the brake lines." * "In an automatic car, you use your right foot for both the accelerator and the brake pedal."

Advanced Usage

• "To pump the brake pedal": To press and release the brake pedal repeatedly in quick succession. This is sometimes done to build pressure in older braking systems or during a specific diagnostic check.
  • Example: "The mechanic asked me to pump the brake pedal while he checked the fluid level."
• "Brake pedal travel": The distance the pedal moves from its resting position to its fully depressed position.
  • Example: "Excessive brake pedal travel can indicate worn brake pads."

Variants and Related Words

• Pedal (n): A lever operated by the foot. The "brake pedal" is one type.
• Accelerator pedal (n): The pedal that controls the vehicle's speed.
• Clutch pedal (n): The pedal in a manual transmission vehicle that disengages the engine from the drivetrain.
• Master brake cylinder (n): The hydraulic component that generates pressure when the brake pedal is pressed.

Synonyms

• Brake (n, in context): In the context of driving, "brake" can sometimes refer metonymically to the pedal.
  • Example: "He slammed on the brake." (This implies hitting the brake pedal.)

Related Phrases

• "To hit the brakes": To press the brake pedal suddenly and forcefully.
  • Example: "I had to hit the brakes to avoid the deer."
• "To ride the brake": To keep slight, unnecessary pressure on the brake pedal while driving.
  • Example: "Riding the brake can cause the brakes to overheat and wear out prematurely."

Noun

1. foot pedal that moves a piston in the master brake cylinder