plural of safety razor

plural of stepping razor

plural of cut-throat razor

A thin piece of steel with a sharp edge that can be fitted into a razor. / A replaceable cartridge in which razor blades are set, fitted into a razor.

(idiomatic) A dangerous person, who is not to be messed with.

(epistemology) The principle of preferring the simplest of competing theories.

Alternative spelling of Occam's razor

Synonym of razor clam

As sharp as a razor; extremely sharp. / (idiomatic) Very clever or quick-witted.

A humorous adage suggesting that, when given a choice between two theories, one should prefer the one that is funnier.