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theory

noun
/ˈθɪə.ɹi/UK/ˈθɪ.ɹi/US/ˈθɛː.ɹi/

Etymology

Etymology tree Proto-Hellenic *tʰáwā Ancient Greek θέᾱ (théā) Proto-Indo-European *wer-der. Proto-Indo-European *h₃ekʷ-der. Proto-Indo-European *weyd-der. Ancient Greek ὁράω (horáō) Ancient Greek *θεᾱ-(ϝ)ορός, *θεη-(ϝ)ορός (*theā-(w)orós, *theē-(w)orós) Ancient Greek θεωρός (theōrós) Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-i-eh₂ Proto-Hellenic *-íā Ancient Greek -ῐ́ᾱ (-ĭ́ā) Ancient Greek θεωρία (theōría)bor. Late Latin theōrialbor. Middle French théoriebor. English theory Borrowed from Middle French théorie, a learned borrowing from Late Latin theōria, borrowed from Ancient Greek θεωρία (theōría), from θεωρός (theōrós) + -ῐ́ᾱ (-ĭ́ā).

  1. derived from θεωρία
  2. derived from theōria
  3. derived from theory Borrowed from Middle French théorie
  4. derived from théoriebor
  5. derived from theōrialbor
  6. derived from *weyd-der✻
  7. derived from *h₃ekʷ-der✻
  8. derived from *wer-der✻

Definitions

  1. A description of an event or system that is considered to be accurate.

    • As they encrease the hatred of vice in some, so doe they enlarge the theory of wickednesse in all.

  2. A coherent statement or set of ideas that explains observed facts or phenomena and…

    A coherent statement or set of ideas that explains observed facts or phenomena and correctly predicts new facts or phenomena not previously observed, or which sets out the laws and principles of something known or observed; a hypothesis confirmed by observation, experiment etc.

    • In its most proper acceptation, theory means the completed result of philosophical induction from experience.
    • Does this mean, then, that there can be no such thing as a theory of literature?
    • It was only when Einstein's theory of relativity was published in 1915 that physicists could show that Mercury's "anomaly" was actually because Newton's gravitational theory was incomplete.

  3. The underlying principles or methods of a given technical skill, art etc., as opposed to…

    The underlying principles or methods of a given technical skill, art etc., as opposed to its practice.

    • Lopukhov wrote a number of books and articles on ballet theory, as well as his memoirs.
  4. ›+ 5 more definitions

    1. A field of study attempting to exhaustively describe a particular class of constructs.

      • Knot theory classifies the mappings of a circle into 3-space.
      • It's just a theory I have, and I wonder if women would agree. But don't men say a lot about themselves when a short-skirted woman slides out of a car or chair?
      • The theory is that by stripping costs to the bone, they are able to offer ludicrously low fares.

    2. A set of axioms together with all statements derivable from them

      A set of axioms together with all statements derivable from them; or, a set of statements which are deductively closed. Equivalently, a formal language plus a set of axioms (from which can then be derived theorems). The statements may be required to all be bound (i.e., to have no free variables).

      • A theory is consistent if it has a model.

    3. The standardization and study of fixed sequences of moves, especially in the opening…

      The standardization and study of fixed sequences of moves, especially in the opening phase of a game.

      • Near-synonym: joseki

    4. Mental conception

      Mental conception; reflection, consideration.

    5. A hypothesis or conjecture.

The neighborhood

Derived

intertheory, in theory, intratheory, theoretic, theorist, theorycel, theorycraft, theoryhead, theoryism, theory-laden, theoryless, time-preference theory of interest

Vish — recursive loop

A definitional loop anchored at theory. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01theory02opposed03opposition04seen05saw06sawtooth07graph08sets

A definitional loop anchored at theory. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

8 hops · closes at theory

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA