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Crankcase - Meaning, Definition & English Examples

A crankcase is the housing in an engine that contains the crankshaft and other key components. It protects internal parts and often holds lubricating oil for smooth operation.

crankcase

/ˈkræŋkˌkeɪs/ /ˈkræŋkˌkeɪs/

Definition:

The housing for a crankshaft and other engine parts in an internal combustion engine.

Synonyms:

engine housing, crank chamber, oil pan

Part of Speech:

noun

Antonyms:

(No direct antonyms; context-dependent)

Common Collocations:

crankcase oil, crankcase ventilation, crankcase pressure, crankcase breather

Derivatives:

crankcases, crankcased (rare)

Usage Tips:

Use "crankcase" when referring to the engine part enclosing the crankshaft and related components.

Common Phrases:

(No common phrases or idioms)

Etymology:

Derived from "crank" (bent axis) + "case" (container), first used in early 20th century automotive contexts.

Examples:

  • 1. The mechanic inspected the crankcase for leaks.
  • 2. Oil collects in the crankcase to lubricate the engine.
  • 3. A cracked crankcase can cause serious engine damage.
  • 4. The crankcase ventilation system prevents pressure buildup.

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