A condition in which everything is regular and unvarying

The quality of lacking diversity or variation (even to the point of boredom)

(chemistry) a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding)

Uniformitarianism, also known as the Doctrine of Uniformity or the Uniformitarian Principle, is the assumption that the same natural laws and processes that operate in our present-day scientific observations have always operated in the universe in the past and apply everywhere in the universe.

In the mathematical field of topology, a uniform space is a topological space with additional structure that is used to define uniform properties, such as completeness, uniform continuity and uniform convergence.

A homogeneous mixture is a solid, liquid or gaseous mixture that has the same proportions of its components throughout any given sample.