theory

theory
theo|ry
W1S2 [ˈθıəri US ˈθi:əri] n plural theories
[Date: 1500-1600; : Late Latin; Origin: theoria, from Greek, from theorein 'to look at']
1.)
an idea or set of ideas that is intended to explain something about life or the world, especially an idea that has not yet been proved to be true
→↑theoretical theory about/on
different theories about how the brain works
theory of
Darwin's theory of evolution
theory that
the theory that light is made up of waves
2.) [U]
general principles and ideas about a subject
Freudian theory has had a great influence on psychology.
political/economic/literary etc theory
I'm taking a course on political theory.
3.) in theory
something that is true in theory is supposed to be true, but might not really be true or might not be what will really happen
In theory, everyone will have to pay the new tax.
4.)
an idea or opinion that someone thinks is true but for which they have no proof
theory that
Detectives are working on a theory that he knew his murderer.

Dictionary of contemporary English. 2013.

Игры ⚽ Нужно сделать НИР?
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  • theory — theo‧ry [ˈθɪəri ǁ ˈθiːəri] noun theories PLURALFORM 1. [countable] an idea or set of ideas that is intended to explain why something happens or how it works: theory of • The book is called An Evolutionary Theory of Economic Change . • The theory… …   Financial and business terms

  • Theory m — – A Theory of Leadership Management = Theory M X Y The Theory M style of leadership is one that recognizes that it is necessary to employ a variety of tactics for varying management situations. This type manager / leader is confident in his… …   Wikipedia

  • Theory — The o*ry, n.; pl. {Theories}. [F. th[ e]orie, L. theoria, Gr. ? a beholding, spectacle, contemplation, speculation, fr. ? a spectator, ? to see, view. See {Theater}.] 1. A doctrine, or scheme of things, which terminates in speculation or… …   The Collaborative International Dictionary of English

  • theory — theory, social theory A theory is an account of the world which goes beyond what we can see and measure. It embraces a set of interrelated definitions and relationships that organizes our concepts of and understanding of the empirical world in a… …   Dictionary of sociology

  • theory — I noun assumption, belief, conjecture, doctrina, doctrine, dogma, guesswork, hypothesis, ideology, opinion, philosophy, postulate, presupposition, proposition, ratio, speculation, supposition, surmise, thesis, thought, untested opinion, view… …   Law dictionary

  • Theory X — ˌTheory ˈX noun [singular] HUMAN RESOURCES the theory that employees will not work well unless managers pay close attention to their work and control them by encouraging or threatening them * * * Theory X UK US noun [S] ► HR, MANAGEMENT the idea… …   Financial and business terms

  • Theory Y — ˌTheory ˈY noun [singular] HUMAN RESOURCES the theory that employees will generally work well and take responsibility for their own work, if they have the right conditions and rewards * * * Theory Y UK US noun [S] ► HR, MANAGEMENT the idea that… …   Financial and business terms

  • Theory Z — ˌTheory ˈZ noun [singular] HUMAN RESOURCES the theory that when employees are very involved in their organization and in making decisions, as in the Japanese style of management, they work better and produce more * * * Theory Z UK US noun [S] ►… …   Financial and business terms

  • theory — [thē′ə rē, thir′ē] n. pl. theories [< Fr or LL: Fr théorie < LL theoria < Gr theōria, a looking at, contemplation, speculation, theory < theōrein: see THEOREM] 1. Obs. a mental viewing; contemplation 2. a speculative idea or plan as… …   English World dictionary

  • theory — ► NOUN (pl. theories) 1) a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained. 2) an idea accounting for or justifying something. 3) a set of… …   English terms dictionary

  • theory — theory …   Philosophy dictionary

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