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theory British & World English

A supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained

theory English Thesaurus

I reckon that confirms my theory

theory New Oxford Dictionary for Writers & Editors

supposition or system of ideas

in theory British & World English

Used in describing what is supposed to happen or be possible, usually with the implication that it does not in fact happen

Bohr theory British & World English

A theory of the structure of atoms stating that electrons revolve in discrete orbits around a positively charged nucleus and that radiation is given off or absorbed only when an electron moves from one orbit to another

game theory British & World English

The branch of mathematics concerned with the analysis of strategies for dealing with competitive situations where the outcome of a participant’s choice of action depends critically on the actions of other participants. Game theory has been applied to contexts in war, business, and biology

set theory British & World English

The branch of mathematics which deals with the formal properties of sets as units (without regard to the nature of their individual constituents) and the expression of other branches of mathematics in terms of sets

wave theory British & World English

The theory that light is propagated through the ether by a wave motion imparted to the ether by the molecular vibrations of the radiant body

atomic theory British & World English

The theory that all matter is made up of tiny indivisible particles (atoms). According to modern interpretations of the theory, the atoms of each element are effectively identical, but differ from those of other elements, and unite to form compounds in fixed proportions

chaos theory British & World English

The branch of mathematics that deals with complex systems whose behaviour is highly sensitive to slight changes in conditions, so that small alterations can give rise to strikingly great consequences

domino theory British & World English

The theory that a political event in one country will cause similar events in neighbouring countries, like a falling domino causing an entire row of upended dominoes to fall

field theory British & World English

A theory that explains physical phenomena in terms of a field and the manner in which it interacts with matter or with other fields

Galois theory British & World English

A method of applying group theory to the solution of algebraic equations

gauge theory British & World English

A quantum theory using mathematical functions to describe subatomic interactions in terms of particles that are not directly detectable

graph theory British & World English

The mathematical theory of the properties and applications of graphs

number theory British & World English

The branch of mathematics that deals with the properties and relationships of numbers, especially the positive integers

string theory British & World English

A cosmological theory based on the existence of cosmic strings

theory-laden British & World English

Denoting a term, concept, or statement which has meaning only as part of some theory, so that its use implies the acceptance of that theory

critical theory British & World English

A philosophical approach to culture, and especially to literature, that considers the social, historical, and ideological forces and structures which produce and constrain it

decision theory British & World English

The mathematical study of strategies for optimal decision-making between options involving different risks or expectations of gain or loss depending on the outcome

kinetic theory British & World English

The body of theory which explains the physical properties of matter in terms of the motions of its constituent particles

nebular theory British & World English

The theory that the solar and stellar systems were developed from a primeval nebula

quantity theory British & World English

The hypothesis that changes in prices correspond to changes in the monetary supply

quantum theory British & World English

A theory of matter and energy based on the concept of quanta, especially quantum mechanics

attribution theory British & World English

A theory which supposes that people attempt to understand the behaviour of others by attributing feelings, beliefs, and intentions to them

catastrophe theory British & World English

A branch of mathematics concerned with systems displaying abrupt discontinuous change

conspiracy theory British & World English

A belief that some covert but influential organization is responsible for an unexplained event

information theory British & World English

The mathematical study of the coding of information in the form of sequences of symbols, impulses, etc. and of how rapidly such information can be transmitted, for example through computer circuits or telecommunications channels

probability theory British & World English

The branch of mathematics that deals with quantities having random distributions

communication theory British & World English

The branch of knowledge dealing with the principles and methods by which information is conveyed

correspondence theory British & World English

The theory that states that the definition or criterion of truth is that true propositions correspond to the facts

theory of games British & World English

Another term for game theory.

grand unified theory British & World English

A theory attempting to give a single explanation of the strong, weak, and electromagnetic interactions between subatomic particles

quantum field theory British & World English

A field theory that incorporates quantum mechanics and the principles of the theory of relativity

unified field theory British & World English

A theory that describes two or more of the four interactions (electromagnetic, gravitational, weak, and strong) previously described by separate theories

labour theory of value British & World English

The Marxist theory that the value of a commodity should be determined by the amount of human labour used in its production

in theory in theory British & World English

Used in describing what is supposed to happen or be possible, usually with the implication that it does not in fact happen

games theory in game theory British & World English

The branch of mathematics concerned with the analysis of strategies for dealing with competitive situations where the outcome of a participant’s choice of action depends critically on the actions of other participants. Game theory has been applied to contexts in war, business, and biology

in theory in theory English Thesaurus

in theory this method is ideal—in practice it is unrealistic

Ptolemaic system British & World English

The theory that the earth is the stationary centre of the universe, with the planets moving in epicyclic orbits within surrounding concentric spheres

Ptolemaic theory in Ptolemaic system British & World English

The theory that the earth is the stationary centre of the universe, with the planets moving in epicyclic orbits within surrounding concentric spheres


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