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Collins

set theory

  

      n  
1      (Maths)   the branch of mathematics concerned with the properties and interrelationships of sets  
2      (Logic)   a theory constructed within first-order logic that yields the mathematical theory of classes, esp. one that distinguishes sets from proper classes as a means of avoiding certain paradoxes  
Dictionnaire anglais Collins English definition-Thesaurus  
Collins
theory  
      n   pl   , -ries  
1    a system of rules, procedures, and assumptions used to produce a result  
2    abstract knowledge or reasoning  
3    a speculative or conjectural view or idea  
I have a theory about that     
4    an ideal or hypothetical situation (esp. in the phrase in theory)  
5    a set of hypotheses related by logical or mathematical arguments to explain and predict a wide variety of connected phenomena in general terms  
the theory of relativity     
6       a nontechnical name for       hypothesis       1  
     (C16: from Late Latin theoria, from Greek: a sight, from theorein to gaze upon)  


atomic theory  
      n  
1    any theory in which matter is regarded as consisting of atoms, esp. that proposed by John Dalton postulating that elements are composed of atoms that can combine in definite proportions to form compounds  
2    the current concept of the atom as an entity with a definite structure  
   See       atomic structure  
attribution theory  
      n     (Psychol)   the theory that tries to explain how people link actions and emotions to particular causes, both internal and external  
automata theory  
      n   the formal study of the power of computation of abstract machines  
band theory  
      n     (Physics)   a theory of the electrical properties of metals, semiconductors, and insulators based on energy bands  
big-bang theory  
      n   a cosmological theory postulating that approximately 15000 million years ago all the matter of the universe, packed into a small superdense mass, was hurled in all directions by a cataclysmic explosion. As the fragments slowed down, the galaxies and stars evolved but the universe is still expanding  
   Compare       steady-state theory  
Bohr theory  
      n   a theory of atomic structure that explains the spectrum of hydrogen atoms. It assumes that the electron orbiting around the nucleus can exist only in certain energy states, a jump from one state to another being accompanied by the emission or absorption of a quantum of radiation  
     (C20: after N. Bohr)  
boo-hurrah theory  
      n     (Philosophy)      an informal term for       emotivism  
catastrophe theory  
      n  
a    the mathematical theory that classifies surfaces according to their form  
b    the popular application of this theory to the explanation of abruptly changing phenomena, as by the discontinuity of a line on the topmost fold of a folded surface  
chaos theory  
      n   a theory, applied in various branches of science, that apparently random phenomena have underlying order  
conspiracy theory  
      n   the belief that the government or a covert organization is responsible for an event that is unusual or unexplained, esp. when any such involvement is denied  
corpuscular theory  
      n   the theory, originally proposed by Newton, and revived with the development of the quantum theory, that light consists of a stream of particles  
   See       photon  
  
Compare  
    wave theory  
Dalton's atomic theory  
      n     (Chem)   the theory that matter consists of indivisible particles called atoms and that atoms of a given element are all identical and can neither be created nor destroyed. Compounds are formed by combination of atoms in simple ratios to give compound atoms (molecules). The theory was the basis of modern chemistry  
     (C19: named after J. Dalton)  
decision theory  
      n     (Statistics)   the study of strategies for decision making under conditions of uncertainty in such a way as to maximize the expected utility  
   See also       game theory  
double-aspect theory  
      n     (Philosophy)   a monistic theory that holds that mind and body are not distinct substances but merely different aspects of a single substance  
expanding universe theory  
      n   the theory, developed from the observed red shifts of celestial bodies, that all the galaxies are receding from each other at velocities that increase as the distance from earth increases  
   See also       oscillating universe theory  
Galois theory  
      n     (Maths)   the theory applying group theory to solving algebraic equations  
     (C19: named after Évariste Galois (1811--32), French mathematician)  
game theory  
      n   mathematical theory concerned with the optimum choice of strategy in situations involving a conflict of interest,   (Also called)    theory of games  
  game-theoretic      adj  
gauge theory  
      n     (Physics)   a type of theory of elementary particles designed to explain the strong, weak, and electromagnetic interactions in terms of exchange of virtual particles  
general theory of relativity  
      n   the theory of gravitation, developed by Einstein in 1916, extending the special theory of relativity to include acceleration and leading to the conclusion that gravitational forces are equivalent to forces caused by acceleration  
germ theory  
      n  
1    the theory that all infectious diseases are caused by microorganisms  
2    the theory that living organisms develop from other living organisms by the growth and differentiation of germ cells  
grand unified theory  
      n     (Physics)   any of a number of theories of elementary particles and fundamental interactions designed to explain the electromagnetic, strong, and weak interactions in terms of a single mathematical formalism,   (Abbrev.)    GUT  
identity theory  
      n     (Philosophy)   a form of materialism which holds mental states to be identical with certain states of the brain and so to have no separate existence, but regards this identity as contingent so that mentalistic and physicalistic language are not held to be synonymous  
   See also       anomalous monism       materialism       2  
information theory  
      n   a collection of mathematical theories, based on statistics, concerned with methods of coding, transmitting, storing, retrieving, and decoding information  
James-Lange theory  
      n     (Psychol)   a theory that emotions are caused by bodily sensations; for example, we are sad because we weep  
     (named after William James + Carl Lange (1834--1900), Danish psychologist)  
kinetic theory  
      n   the. a theory of gases postulating that they consist of particles of negligible size moving at random and undergoing elastic collisions,   (In full)    Kinetic theory of gases  
model theory  
      n   the branch of logic that deals with the properties of models; the semantic study of formal systems  
  model-theoretic      adj  
number theory  
      n   the study of integers, their properties, and the relationship between integers  
object relations theory  
      n   a form of psychoanalytic theory postulating that people relate to others in order to develop themselves  
oscillating universe theory  
      n   the theory that the universe is oscillating between periods of expansion and contraction  
proof theory  
      n   the branch of logic that studies the syntactic properties of formal theories, esp. the syntactic characterization of deductive validity  
quantity theory  
      n     (Economics)   a theory stating that the general price level varies directly with the quantity of money in circulation and the velocity with which it is circulated, and inversely with the volume of production expressed by the total number of money transactions  
quantum field theory  
      n     (Physics)   quantum mechanical theory concerned with elementary particles, which are represented by fields whose normal modes of oscillation are quantized  
quantum theory  
      n   a theory concerning the behaviour of physical systems based on Planck's idea that they can only possess certain properties, such as energy and angular momentum, in discrete amounts (quanta). The theory later developed in several equivalent mathematical forms based on De Broglie's theory (see wave mechanics) and on the Heisenberg uncertainty principle  
queuing theory  
      n   a mathematical approach to the rate at which components queue to be processed by a machine, instructions are accessed by a computer, orders need to be serviced, etc., to achieve the optimum flow  
random walk theory  
      n     (Stock Exchange)   the theory that the future movement of share prices does not reflect past movements and therefore will not follow a discernible pattern  
set theory  
      n  
1      (Maths)   the branch of mathematics concerned with the properties and interrelationships of sets  
2      (Logic)   a theory constructed within first-order logic that yields the mathematical theory of classes, esp. one that distinguishes sets from proper classes as a means of avoiding certain paradoxes  
special theory of relativity  
      n   the theory proposed in 1905 by Einstein, which assumes that the laws of physics are equally valid in all nonaccelerated frames of reference and that the speed of electromagnetic radiation in free space has the same value for all inertial observers. It leads to the idea of a space-time continuum and the equivalence of mass and energy. In combination with quantum mechanics it forms the basis of the theory of elementary particles,   (Also called)    special relativity      See also       general theory of relativity       Einstein's law       1  
steady-state theory  
      n   a cosmological theory postulating that the universe exists throughout time in a steady state such that the average density of matter does not vary with distance or time. Matter is continuously created in the space left by the receding stars and galaxies of the expanding universe  
   Compare       big-bang theory  
superdense theory  
      n     (Astronomy)      another name for the       big-bang theory  
systems theory  
      n   an approach to industrial relations which likens the enterprise to an organism with interdependent parts, each with its own specific function and interrelated responsibilities  
theory-laden  
      adj   (of an expression) capable of being understood only within the context of a specific theory, as for example superego, which requires the apparatus of Freudian theory in explanation  
theory of games  
      n      another name for       game theory  
unified field theory  
      n   any theory capable of describing in one set of equations the properties of gravitational fields, electromagnetic fields, and strong and weak nuclear interactions. No satisfactory theory has yet been found  
wave theory  
      n  
1    the theory proposed by Huygens that light is transmitted by waves  
2    any theory that light or other radiation is transmitted as waves  
   See       electromagnetic wave     (Compare)        corpuscular theory  

Dictionnaire anglais Collins English definition-Thesaurus  

Collins

theory

  
1    assumption, conjecture, guess, hypothesis, presumption, speculation, supposition, surmise, thesis  
2    philosophy, plan, proposal, scheme, system  
  
Antonyms     
  
1    certainty, experience, fact, practice, reality  

Dictionnaire anglais Collins English synonyme-Thesaurus  

Dictionnaire Collaboratif     Anglais Définition
n.
competitive set: a group of other brands offering a similar product or service, to the same consumers
n.
a theory forming part of a larger theory
exp.
to be likely to do something
banks set to miss lending targets
n.
set of virtual assets belonging to an user
[Tech.]
n.
a set of ideas, rules, or beliefs from which something is developed, or on which decisions are based
The educational framework of ISB is much different from the framework (curriculum) where I used to go to school. I do like it though.
n.
set of words and word groups together with their definition, translation, grammar category or usage examples, and which can be searched through an index or a search engine
exp.
act in accordance with what is set verbally; apply what one's preaching for; double words by action;
often used in combination with "talk the talk".
exp.
A set of one’s web assets, created with the intention of facilitating the transference of online assets and value upon ones death.
[Tech.]
exp.
A set of online digital assets or virtual value that may be left to another person in a will.
[Tech.]
exp.
A set of virtual assets or virtual value in cyberspace that may be left to another in a will.
[Tech.]
exp.
A set of virtual assets or value in cyberspace left behind after one’s death fall on legal successors as right.
[Tech.]
exp.
(in an organization) set up a more informal structure/workflow/environment; give up on communication protocols between departments
[Bus.]
n.
set of data relative to the online activity of one particular user
[Tech.]
exp.
A set of collection of one’s internet assets or value gathered in order to assist transfer of online rights.
[Tech.]
n.
Arotten apple is a member of a group, or a single element in a set of things, that is bad and likely to corrupt the other people or things in the group
Allusion to the expression "One bad apple spoils the barrel"
n.
1. a fashion enthusiast; someone who sets or follows trends; 2. woman working in the fashion domain (as a designer, journalist, model etc.); 3. woman passionate about shopping;
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