under square

adjective

Of internal combustion engine designs, having the bore less than the stroke: that is, having the piston's diameter less than its travel distance.

Opposite
over squareoversquare
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Meanings

adjectiveunder square (not comparable)

alternative under-square · alternative undersquare

  1. not comparableautomotiveOf internal combustion engine designs, having the bore less than the stroke: that is, having the piston's diameter less than its travel distance.

    Antonyms: over square, oversquare

Synonyms & antonyms

adjectiveOf internal combustion engine designs, having the bore less than the stroke: that is, having the piston's diameter less than its travel distance.

Opposite
over squareoversquare
Cite this entry
APA

under square. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/under%20square

MLA

“under square.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/under%20square. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “under square,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/under%20square.

Source: under square on Wiktionary, CC BY-SA 4.0.