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domino theory

1. The political theory that, if one country or area adopts communism, then the surrounding ones will as well. The domino theory was a major concern as the Soviet Union expanded its power after World War II.
2. By extension, the idea that an event in one country will result in similar events in the surrounding countries. The string of revolutions that occurred in neighboring countries during the Arab Spring was a great example of domino theory in action.
See also: domino, theory

in theory

Hypothetically; as a possibility. As opposed to in reality or in practice. In theory, we could drive to the mountains for a quick ski session before our flight tomorrow evening, but I think it would be cutting it too close. These magnets are supposed to regulate the body's natural energy, in theory anyway.
See also: theory

an ounce of common sense is worth a pound of theory

Sound, practical, common-sense solutions will always be more beneficial than abstract theoretical ones. You can talk and talk about the socioeconomic analyses your department has undertaken to help solve the homelessness crisis, but as ever before, an ounce of common sense is worth a pound of theory—the only thing we need right now is more and affordable housing! I know you're looking into some out-of-the-box ways to lose weight, but you should save your time and money. Just eat less, eat healthy, and exercise more—an ounce of common sense is worth a pound of theory.

in theory

according to a theory; theoretically. In theory, if I take my medicine regularly, I will get well. How things work in theory doesn't always match with how things work in reality.
See also: theory

ounce of common sense is worth a pound of theory

Prov. Common sense will help you solve problems more than theory will. The psychologist had many elaborate theories about how to raise her child, but often forgot that an ounce of common sense is worth a pound of theory.

in ˈtheory

used to say that a particular statement is supposed to be true but may in fact be wrong: In theory, these machines should last for ten years or more.That sounds fine in theory, but have you really thought it through?
See also: theory
References in periodicals archive ?
In a new study, physicists have mathematically proved that any theory that has a classical limit-meaning that it can describe our observations of the classical world by recovering classical theory under certain conditions-must contain entanglement.
Theory is a set of interrelated concepts (or variables) and definitions that are formed into propositions or hypotheses to specify the relationship among the constructs (Creswell, 2013).
He argues that string theory has turned out to be a "theory of anything," an ill-defined framework that lacks explanatory and predictive power, relies on excessive conjecture, and crowds out more promising lines of inquiry.
Emphasis: Private lessons, technique, theory and concert of newly composed works.
For an illustration of how the theory of evolution by natural selection works, one could do worse than to examine the evolution of the theory's opponents.
Keywords: Biological origins; Islamic perspectives on theory of evolution; Darwinism; life forms; Qur'anic view of life; Islamic philosophy and evolution; biology; Muslims and Western science.
Unlike Bandura, Gagne believed Information Processing View theory shows how information can be processed in simpler forms and as lower--skill tasks.
A BEAUTIFUL MATH: John Nash, Game Theory, and the Modern Quest for a Code of Nature TOM SIEGFRIED
Birkhauser (Boston, MA) will begin the publication of three new journals beginning in 2007, including "Complex Analysis and Operator Theory," "Journal of Fixed Point Theory and Applications" and "Logica Universalis.
Keizer reads works by five authors from the US and the Anglophone Caribbean as expressions of black theories of subjectivity, and sets each of these fictional theories against what she calls an "established" theory of identity formation to show how theories that "arise from the particularity and variety of black experience, re-imagined in fiction, force us to reconsider the conceptual bases of established theories of subjectivity" (2).
Three years ago we hypothesized that the best course of action was to measure the corporate culture with a customized and focused diagnostic workplace survey and to adopt a new theory of communication based on four essential facts drawn from venerable work in sociology and new research on communication.
Volume 15 of the Advances in Criminological Theory series, Taking Stock: The Status Of Criminological Theory is an anthology of scholarly essays by various learned authors.
The most frequent controversial issue is how to use a particular theory in a practical way.
Developed over 50 years ago, the routine activity theory has remained at the forefront of crime analysis and prevention efforts.