The term critical point can mean any of:
See also
In Mathematics, a critical point (or critical number) is a point on the domain of a function where one dimension In Set theory, the critical point of an Elementary embedding of a Transitive class into another transitive class is the smallest Ordinal which In Physical chemistry, Thermodynamics, Chemistry and Condensed matter physics, a critical point, also called a critical state In Topology and in Calculus, a round function is a Scalar function M\to{\mathbb{R}} over a Manifold M whose In Mathematics and Solid state physics, the first Brillouin zone is a uniquely defined Primitive cell of the Reciprocal lattice in the Percolation threshold is a mathematical term related to Percolation theory, which is the formation of long-range connectivity in random systems