EXTREMAL definition: of or relating to an extremum or the calculation of extrema. See examples of extremal used in a sentence.

1. Mathematics Of or relating to maximal or minimal values or degrees of inclusiveness. 2. Having or characterized by extreme properties or conditions: extremal black holes.

Extremal combinatorics studies how large or how small a collection of finite objects (numbers, graphs, vectors, sets, etc.) can be, if it has to satisfy certain restrictions.

extremal In mathematics, particularly in calculus, a stationary point of a differentiable function of one variable is a point on the graph of the function where the function's derivative is zero.

extremal, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Jan 12, 2026 · Adjective extremal (not comparable) (mathematics) Relating to extrema (maximal or minimal).

Extremal definition: Of or relating to maximal or minimal values or degrees of inclusiveness.