Noun
nondimensionalization (countable and uncountable, plural nondimensionalizations)
(physics, engineering) The partial or full removal of units from an equation involving physical quantities by a suitable substitution of variables, in order, for example, to simplify and parameterize problems where measured units are involved.
Nondimensionalization of differential equations The process of nondimensionalization has significant applications in the analysis of differential equations. Source: Internet