Ampère's circuital law

The rule that social parasites generally tend to be parasites of species or genera to which they are closely related.

An ecogeographic principle broadly stating that animals adapted to cold climates have relatively short limbs. Specifically, homeothermic animals in hot climates have low volume-to-surface ratios, and homeothermic animals in cold climates have high volume-to-surface ratios, due to thermal adaptation.

plural of ruling grade

(rail transport) synonym of ruling gradient

A decision rule whereby the decisions of the numerical majority of a group will be binding on the whole group, its parts, and each member.

(idiomatic) To set the standard which guides behavior; to control a situation, group, strategy, etc.

Control by the central government of an area that has had its own governing body in the past.

(printing, historical) A thin slip of brass or steel, against which the type is arranged in a composing stick, or by the aid of which stickfuls or handfuls or type are lifted.

(calculus) A formula for computing the derivative of the functional composition of two or more functions.