four-stroke (B2)

adjective

Pronunciation: ˈfɔːrˌstrəʊk

Definition

A type of internal combustion engine that completes a power cycle in four distinct piston movements.

Examples

• The motorcycle features a reliable four-stroke engine that is fuel-efficient for long rides.

• Engineers prefer the four-stroke design for its balance of power and reduced emissions compared to two-stroke alternatives.

• Maintenance for a four-stroke lawnmower includes regular oil changes to keep the complex internal valves running smoothly.

How to Use four-stroke

four-stroke engine (collocation)

an engine using the four-stroke cycle — "He bought a new four-stroke engine for his boat."

Synonyms of four-stroke

Words with a similar meaning to four-stroke:

• four-cycle

Antonyms of four-stroke

Words with the opposite meaning to four-stroke:

• two-stroke

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