is a specific kind of: spatial property, spatiality.

is a broader term that covers: geometrical irregularity, irregularity | lopsidedness, skewness | radial asymmetry | handedness, laterality | footedness | eyedness.

domain category: math, mathematics, maths.

is the opposite of: balance, correspondence, symmetricalness, symmetry.

derivation: asymmetric, asymmetrical.