theory

名词 n.
/ˈθɪə.ɹi/    /ˈθɪə.ɹi/|/ˈθɪ.ɹi/|/ˈθi.ə.ɹi/|/ˈθɪɚ.i/|/ˈθi.ɹi/

英文释义

名词 n.
  1. A description of an event or system that is considered to be accurate. countable,uncountable
    — 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 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. countable,uncountable
    — In its most proper acceptation, theory means the completed result of philosophical induction from experience.
  3. The underlying principles or methods of a given technical skill, art etc., as opposed to its practice. uncountable
    — Lopukhov wrote a number of books and articles on ballet theory, as well as his memoirs.
  4. A field of study attempting to exhaustively describe a particular class of constructs. countable,uncountable
    — Knot theory classifies the mappings of a circle into 3-space.
  5. 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). countable
    — A theory is consistent if it has a model.
  6. The standardization and study of fixed sequences of moves, especially in the opening phase of a game. countable,uncountable
    — Near-synonym: joseki
  7. Mental conception; reflection, consideration. countable,obsolete,uncountable
  8. A hypothesis or conjecture. countable,informal,uncountable

词形变化

theories plural

词汇关系

下位词
AAK theory AAK-theory abrupt appearance theory abstinence theory abstract analytic number theory acoustic theory action theory activity theory additive number theory Ahlfors theory algebraic graph theory algebraic K-theory algebraic number theory algorithmic information theory algorithmic number theory alive internet theory analytic number theory antenna theory approximation theory aquatic ape theory arbitrage pricing theory AR theory assemblage theory atomic theory attainable region theory attribution theory auction theory Auslander-Reiten theory auteur theory autotheory BCS theory bifurcation theory binary theory Bohr theory bow-wow theory bowwow theory broken windows theory broken window theory burnt toast theory cable theory catastrophe theory category theory cell theory chaos theory character theory Chern-Simons theory choice theory circuit theory classical field theory cobweb theory cockroach theory coding theory coincidence theory collision theory communication accommodation theory communication theory complexity theory computability theory computational complexity theory computational number theory computation theory conspiracy theory continuum theory control theory coorbit theory cosmological perturbation theory counterpart theory countertheory critical race theory critical theory crystal field theory cuckoo theory cultivation theory cybertheory dead internet theory de Broglie-Bohm theory Debye-Hückel theory decision theory dependency theory ding-dong theory divine command theory DLVO theory domain theory domino theory Donaldson-Thomas theory Dow theory dual-coding theory dynamo theory ecotheory e-learning theory emission theory endosymbiotic theory epitheory ergodic theory estimation theory ethnotheory evolutionary theory extreme value theory fast leg theory field theory fishhook theory fish-hook theory flypaper theory Fredholm theory fringe theory Galois theory game theory gap theory gauge theory gender theory germ theory germ theory of disease giant impact theory global workspace theory grand theory grand unification theory grand unified theory graph theory greater fool theory great man theory great replacement theory Green Lantern theory grounded theory group theory Heim theory hemline theory Hodge theory homotopy theory horseshoe theory iceberg theory imbibition theory information theory integral theory inter-universal Teichmüller theory invariant theory ironic process theory James-Lange theory Kaluza-Klein theory kinetic theory of gases knot theory K-theory labor theory of value labor value theory labor-value theory labour theory of value labour value theory labour-value theory lattice theory legal theory leg theory lesbian dance theory ligand field theory literary theory living internet theory locale theory LQG theory lunar theory macrotheory madman theory meaning-text theory measure theory metatheory microtheory minitheory mirror theory model theory module theory molecular orbital theory Morse theory motor theory M-theory music theory musical theory Nevanlinna theory nontheory novelty theory nub theory nudge theory number theory operator theory opponent-process theory optimality theory orange peel theory Out of India theory particle theory pattern theory Peccei-Quinn theory perceptual control theory percolation theory perturbation theory phlogiston theory pooh-pooh theory potential theory probability theory proof theory prototype theory psychotheory quantity theory of money quantum field theory quantum information theory quantum theory quark theory queer theory queueing theory queuing theory r/K selection theory Ramsey theory rational choice theory recapitulation theory recursion theory Regge theory renewal theory replacement theory representation theory rimland theory ring theory ruin theory Sahara pump theory sandwich theory scheme theory screw theory seduction theory set point theory set theory sheaf theory sieve theory signal theory situation theory size theory Skopos theory social theory spectral theory spoon theory standard theory standpoint theory steady state theory stoned ape theory stone tape theory Strauss-Howe generational theory string theory Sturm-Liouville theory subtheory supposition theory swollen assets theory synthetic theory systems theory ta-ta theory terrain theory theory of abrupt appearance theory of everything theory of games theory of gravity theory of mind theory of music theory of musical equilibration theory of relativity theory of truth theory of value Theory X Theory Y thing theory toy theory transcendental number theory type theory unexpected red theory value theory veneer theory virtue theory vortex theory wave theory Wheeler-Feynman absorber theory white inflation theory white replacement theory X-bar theory X′ theory Yang-Mills theory yo-heave-ho theory yo-he-ho theory Zermelo-Fraenk set theory Zermelo set theory

词源

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, “spectator”) + -ῐ́ᾱ (-ĭ́ā).
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