(n)(psychiatry) a defense mechanism by which your true motivation is concealed by explaining your actions and feelings in a way that is not threatening, Syn.rationalisation
(n)(mathematics) the simplification of an expression or equation by eliminating radicals without changing the value of the expression or the roots of the equation, Syn.rationalisation
[ゆうりか, yuurika](n, vs) { math } rationalization (modifying part of an irrational expression, esp. denominators, to exclude roots or irrational numbers)[Add to Longdo]