- The definition of Occam's Razor is the idea that the most likely explanation for an event is usually the simplest explanation.
An example of Occam's Razor is all the leaves falling off a tree because it's Autumn.
Origin of Occam's razorafter William of Ockham, who used it often in analyzing problems
- The principle that entities should not be needlessly multiplied.
- (sciences) The principle of preferring the simpler of two competing theories.
After William of Occam, an advocate of the law of parsimony, and the idea of a razor as a tool that trims or shaves. See citations for coinage.