(cricket, dated) The tactic of bowling at or near the line of leg stump, so as to cramp the batsman.

Any of various theories of human motivation built on Douglas McGregor's Theory X and Theory Y.

The theory that people who are regularly exposed to mass media eventually come to perceive the world's social realities as presented by the media, affecting their attitudes and behaviours.

(economics) An applied branch of economics, studying how bidders act in auction markets and how the features of such markets incentivize predictable outcomes.

(sciences, of a theory) a highly simplified model used to explore systems qualitatively

(sociology) An ontological framework developed by Gilles Deleuze and Félix Guattari for the analysis of social complexity by emphasizing fluidity, exchangeability, and multiple functionalities.

(US politics, historical) An element of U.S. President Richard Nixon's foreign policy, by which Nixon was portrayed as irrational and volatile toward leaders of hostile Communist nations, with the aim of making them fearful of provoking the United States.

(construction) A theory describing the behaviour of a beam, plate, or shell consisting of three layers: two facesheets and one core.

(neurology, mathematics) The use of mathematical models to calculate the electric current and accompanying voltage along passive neurites, particularly the dendrites that receive synaptic inputs at different sites and times.

An informal metaphor for chronic illness or disability that uses "spoons" to represent the finite units of physical and mental energy that a person has available for daily tasks.