Definition, Meaning & Synonyms

oversquare-engine

Noun

/ˈoʊvərˌskwɛr ˈɛn.dʒɪn/

Definition

An oversquare engine is an internal combustion engine with a bore (diameter of the cylinder) that is larger than its stroke (distance the piston travels up and down within the cylinder).

Examples

The sports car is equipped with an oversquare engine, providing it with impressive acceleration.
Many modern motorcycles utilize oversquare engines for better performance on highways.
Engineers often prefer oversquare designs for applications that require high revs.

Meaning

This type of engine design allows for a greater area for fuel-air mixture intake, which can lead to increased power output and efficiency at high RPMs.