Definition, Meaning & Synonyms

two-stroke

Adjective

/ˈtuː stroʊk/

Definition

A type of internal combustion engine that completes a power cycle with two strokes of the piston during one crankshaft revolution.

Examples

A two-stroke engine is often lighter and has a higher power-to-weight ratio than four-stroke engines.
Many small motorcycles and chainsaws use two-stroke engines for their simplicity and efficiency.

Meaning

The term ‘two-stroke’ refers to the mechanism of the engine, which minimizes the number of pistons’ movements needed to complete a power cycle, making it lighter and simpler than a four-stroke engine.