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The Collaborative International Dictionary of English v.0.48 (gcide)

Cubic \Cu"bic\, n. (Geom.)
A curve of the third degree.
[1913 Webster]

{Circular cubic}. See under {Circular}.
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Cubic \Cu"bic\ (k?"b?k), Cubical \Cu"bic*al\ (-b?-kal), a. [L.
cubicus, Gr. ?????: cf. F. cubique. See {Cube}.]
1. Having the form or properties of a cube; contained, or
capable of being contained, in a cube.
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2. (Crystallog.) Isometric or monometric; as, cubic cleavage.
See {Crystallization}.
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{Cubic equation}, an equation in which the highest power of
the unknown quantity is a cube.

{Cubic foot}, a volume equivalent to a cubical solid which
measures a foot in each of its dimensions.

{Cubic number}, a number produced by multiplying a number
into itself, and that product again by the same number.
See {Cube}.

{Cubical parabola} (Geom.), two curves of the third degree,
one plane, and one on space of three dimensions.
[1913 Webster]