Type Alias Dimension 

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

Dimension of radiant exposure, MT⁻² (base unit joule per square meter, kg · s⁻²).