the hypothesis that the universe is isotropic and homogeneous on a large scale: used to simplify the equations of general relativity for models of the universe.
Principal vs. PrincipleIs the head of a school called a principal or a principle? These two words are frustratingly similar, leaving even the most experienced English speakers to second-guess which word means what. Today, we’ll discuss the distinct meanings between these easy-to-confuse terms and a little trick to help differentiate between your principals and your principles. What is a principal? A principal is “a chief or head, …
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British Dictionary definitions for cosmological principle
astronomy the theory that the universe is uniform, homogenous, and isotropic, and therefore appears the same from any position
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