denoting or relating to a linear measure that is raised to the third power
a cubic metre
Abbreviation: cu., c
3. mathematics
of, relating to, or containing a variable to the third power or a term in which the sum of the exponents of the variables is three
4. Also: isometric, regular crystallography
relating to or belonging to the crystal system characterized by three equal perpendicular axes. The unit cell of cubic crystals is a cube with a lattice point at each corner (simple cubic) and one in the cube's centre (body-centred cubic), or a lattice point at each corner and one at the centre of each face (face-centred cubic)
noun
5. mathematics
a.
a cubic equation, such as x3 + x + 2 = 0
b.
a cubic term or expression
Cu in American English1
Meteorology
cumulus
Cu in American English2
Chemistry
copper
Word origin
L cuprum
cu in American English
cubic
Word lists with
cu
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