Type Alias Dimension 

pub type Dimension = dyn Dimension<I = Z0, Th = Z0, M = Z0, Kind = dyn AngleKind, T = NInt<UInt<UInt<UTerm, B1>, B0>>, J = Z0, L = Z0, N = Z0>;

Dimension of angular acceleration, T⁻² (base unit radian per second squared, s⁻²).