Type Alias Dimension 

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

Dimension of mass density, L⁻³M (base unit kilogram per cubic meter, kg · m⁻³).