ヌーメノンMeanings1nounnoumenonphilosophy›A philosophical term from Kantian philosophy, referring to a thing as it is in itself, independent of perception. Contrasts with フェノメノン (phenomenon).from Ancient GreekSee also: 本体カント哲てつ学がくでは、ヌーメノンは物もの自じ体たいを指さす。In Kantian philosophy, noumenon refers to the thing-in-itself.