The rule of a monarch characterized by a lack of consultation with the parliamentary body of the state.

(zoology) A rule stating that, within a species of endotherms, more heavily pigmented forms tend to be found in more humid environments.

Third-person singular simple present indicative form of rule OK

simple past tense and past participle of rule OK

present participle of rule OK

(poker) The rule of multiplying the number of outs by two to discover one's approximate chance to make one's hand on the river.

(linear algebra) An explicit formula for the solution of a system of linear equations with as many equations as unknowns, valid whenever the system has a unique solution.

plural of composing rule

(evolutionary biology) The principle of biology that states that populations isolated onto islands may undergo evolution towards dwarfism or gigantism to better conform to available resources

(poker) The rule of multiplying the number of outs by four to discover one's approximate chance to make one's hand on the turn or river. Compare rule of two.