disc brake: meaning, definition, pronunciation and examples
C1Technical, automotive, general knowledge.
Quick answer
What does “disc brake” mean?
A type of brake for a vehicle wheel that uses friction from brake pads squeezing against a rotating flat disc attached to the wheel.
Audio
Pronunciation
Definition
Meaning and Definition
A type of brake for a vehicle wheel that uses friction from brake pads squeezing against a rotating flat disc attached to the wheel.
Any braking system that operates on the principle of a caliper clamping friction pads against a disc, now standard on most modern vehicles for its superior performance. Also used metaphorically to describe something that slows or stops a process.
Dialectal Variation
British vs American Usage
Differences
In British English, it can also be spelled 'disk brake', especially in older or less formal texts. American English predominantly uses 'disc brake'. The component 'brake disc' is common in both, but 'rotor' is a frequent US synonym for the disc component.
Connotations
No significant difference in connotation. The term implies modern, efficient technology in both varieties.
Frequency
Slightly more frequent in American English due to the size of the automotive market and media, but universally common in technical contexts.
Grammar
How to Use “disc brake” in a Sentence
[Vehicle] has/fitted with/uses disc brakes.The [mechanic] replaced/adjusted/serviced the disc brake.[Pad/Rotor] is part of a disc brake.Vocabulary
Collocations
Examples
Examples of “disc brake” in a Sentence
verb
British English
- The mechanic will disc-brake the new model.
- They are disc-braking all their production cars.
American English
- The engineer recommended we disc-brake the assembly.
- The fleet was disc-braked for safety.
adjective
British English
- The disc-brake version performs better in the wet.
- It's a disc-brake conversion kit.
American English
- A disc-brake rotor needs to be true.
- The disc-brake assembly is more complex.
Usage
Meaning in Context
Business
Marketing materials highlighting vehicle safety features: 'All models come with anti-lock disc brakes.'
Academic
In engineering papers on friction materials or automotive design.
Everyday
Discussing car maintenance or buying a bike: 'I need new pads for my disc brakes.'
Technical
Detailed repair manuals specifying tolerances for disc run-out or pad thickness.
Vocabulary
Synonyms of “disc brake”
Strong
Neutral
Weak
Vocabulary
Antonyms of “disc brake”
Watch out
Common Mistakes When Using “disc brake”
- Misspelling as 'disk break'. Confusing 'disc' (UK variant for the component) with 'disk'. Using 'disk brake' in formal US technical writing.
FAQ
Frequently Asked Questions
No, they are standard on most motorcycles, common on bicycles (especially mountain bikes), and used in some industrial machinery and aircraft.
Better heat dissipation, which reduces 'brake fade' during repeated heavy use, and generally superior performance in wet conditions as water is shed more easily from the disc.
In automotive/engineering contexts, 'disc' is the traditional and more common spelling for the brake component, though 'disk' is sometimes seen, especially in US English. 'Disk' is standard for computer storage.
The main components are the brake disc (or rotor), which rotates with the wheel; the brake caliper, which houses the pistons; and the brake pads, which are squeezed against the disc by the caliper to create friction.
A type of brake for a vehicle wheel that uses friction from brake pads squeezing against a rotating flat disc attached to the wheel.
Disc brake is usually technical, automotive, general knowledge. in register.
Disc brake: in British English it is pronounced /ˈdɪsk ˌbreɪk/, and in American English it is pronounced /ˈdɪsk ˌbreɪk/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Put the disc brakes on (sth) = to slow or stop something suddenly.”
Learning
Memory Aids
Mnemonic
Imagine a DISC (like a CD) that BRAKES (stops) a wheel. The pads clamp the spinning disc to stop it.
Conceptual Metaphor
CONTROL IS GRASPING/CONTAINMENT (The caliper 'grasps' the disc to control motion).
Practice
Quiz
What is the primary functional counterpart to a disc brake in automotive history?