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Added 4 October 2026

cubic

/ˈkjuː.bɪk/ adjective

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about cubic at Wordnik → Where our words come from →

Used in the names of units of volume formed by multiplying a unit of length by itself twice.
cubic foot
Relating to polynomials of the form ax3+bx2+cx+d.
Having three equal axes and all angles 90°.
cubic cleavage

noun

A cubic curve.

Origin

From Middle French cubique, equivalent to cube + -ic.

From Wiktionary, via Kaikki.org (CC BY-SA)

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