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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 ?
The theories that were applied were the foundation for understanding basic elements and concepts in LSCM.
Theories are not right or wrong but some theories offer a better fit for particular situations.
These theories are built on independence and self-directed discipline.
STRINGLED Scientists typically abandon theories that remain inaccessible to experiment for as long as string theory has, Woit and Smolin argue.
Keizer introduces Dream on Monkey Mountain, the journey of a Caribbean Everyman to self-recovery, as a dramatic text that anticipates subsequent theories of performance.
2) While most extant theories at that time focused primarily on criminals and their motivations and environment, the routine activity theory simplified concepts generally taken for granted by criminologists; it took the focus away from the criminal and redirected it toward the criminal act.
The authors assumed that examination of national employment trends over this period might provide a comprehensive and empirical description of apparent shifts in the labor market and the implications for career theories and services.
While several useful theories are employed in program creation (Palm, 2003), in order to more effectively create programs and evaluation tools, additional theoretical work is needed.
Part five deals largely with the work of postmodernist and multicultural writers of the 1980s and 1990s and, reflecting the title of the book, multicultural and postmodernist excerpts dominate the final section which is concerned with the social theories of the new century.
This article will review some of the concepts and theories of SNA, the history of research in the field, and how this management tool can enhance DoD transformation to a net-centric operation.
No case yet had decided which of the many accepted theories controlled the temporal question of when the injury happened.
The books were ultimately ordered, but the board voted 6-3 to have teachers read a statement making students aware of intelligent design as an alternative to Darwin's theories.
Second, as a theory of mind, its essential structure has never been in question because, as noted in my article, Gardner's theory included factors of human ability similar to those of many theories that preceded his.
This is a golden age of physics in which a new generation of theoretical physicists, complemented by experimentalists, is coming up with theories to explain the physical basis of our world.
The progress of the theory, its adherents and challengers, flashbacks to other scientists with theories ahead of their times (e.