over square
over square adjective: of an internal combustion engine design, in which the diameter of the piston is greater than its stroke distance.
Adjective
over square (not comparable)
- Of an internal combustion engine design, in which the diameter of the piston is greater than its stroke distance.
- An over square or short stroke engine occurs when the cylinder bore diameter is greater than its stroke length, giving a bore/stroke ratio greater than 1:1. An over square engine allows for larger valves in the cylinder head because the wider bore creates a broader combustion chamber.2012, Donny Peterson, Donny's Unauthorized Technical Guide to Harley-Davidson, 1936 to Present
Antonyms of over square
Forms of over square
| alternative form | over-square |
|---|---|
| alternative form | oversquare |
Questions about over square
- What does over square mean?
- Over square means of an internal combustion engine design, in which the diameter of the piston is greater than its stroke distance.
- What part of speech is over square?
- Over square is an adjective.
Words near over square in the dictionary
Source and license
Adapted from Wiktionary: over square (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “over square.” Word.ws, https://word.ws/over_square. Based on Wiktionary, CC BY-SA 4.0.
