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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

abstraction, abstract entity go
a general concept formed by extracting common features from specific examples

psychological feature go
a feature of the mental life of a living organism

cognition, knowledge, noesis go
the psychological result of perception and learning and reasoning

process, operation, cognitive process, mental process, cognitive operation go
(psychology) the performance of some composite cognitive activity

higher cognitive process go
cognitive processes that presuppose the availability of knowledge and put it to use

thinking, thought, thought process, cerebration, intellection, mentation go
the process of using your mind to consider something carefully

explanation go
thought that makes something comprehensible

theory go
a well-substantiated explanation of some aspect of the natural world

scientific theory
a theory that explains scientific observations

noun.cognition

26 Subcategories

big-bang theory, big bang theory go
(cosmology) the theory that the universe originated sometime between 10 billion and 20 billion years ago from the cataclysmic explosion of a small volume of matter at extremely high density and temperature
nebular hypothesis go
(cosmology) the theory that the solar system evolved from a hot gaseous nebula
planetesimal hypothesis go
(cosmology) the theory that the solar system was formed by the gravitational accumulation of planetesimals
steady state theory, continuous creation theory go
(cosmology) the theory that the universe maintains a constant average density with matter created to fill the void left by galaxies that are receding from each other
theory of gravitation, theory of gravity, gravitational theory, Newton's theory of gravitation go
(physics) the theory that any two particles of matter attract one another with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between them
organicism go
theory that the total organization of an organism rather than the functioning of individual organs is the determinant of life processes
atomic theory go
a theory of the structure of the atom
cell theory, cell doctrine go
(biology) the theory that cells form the fundamental structural and functional units of all living organisms
wave theory, undulatory theory, wave theory of light go
(physics) the theory that light is transmitted as waves
corpuscular theory, corpuscular theory of light go
(physics) the theory that light is transmitted as a stream of particles
kinetic theory, kinetic theory of gases go
(physics) a theory that gases consist of small particles in random motion
relativity, theory of relativity, relativity theory, Einstein's theory of relativity go
(physics) the theory that space and time are relative concepts rather than absolute concepts
supersymmetry go
(physics) a theory that tries to link the four fundamental forces
quantum theory go
(physics) a physical theory that certain properties occur only in discrete amounts (quanta)
uncertainty principle, indeterminacy principle go
(quantum theory) the theory that it is impossible to measure both energy and time (or position and momentum) completely accurately at the same time
germ theory go
(medicine) the theory that all contagious diseases are caused by microorganisms
information theory go
(computer science) a statistical theory dealing with the limits and efficiency of information processing
theory of dissociation, theory of electrolytic dissociation, Arrhenius theory of dissociation go
(chemistry) theory that describes aqueous solutions in terms of acids (which dissociate to give hydrogen ions) and bases (which dissociate to give hydroxyl ions)
theory of evolution, theory of organic evolution, evolutionism go
(biology) a scientific theory of the origin of species of plants and animals
theory of indicators, Ostwald's theory of indicators go
(chemistry) the theory that all indicators are either weak acids or weak bases in which the color of the ionized form is different from the color before dissociation
theory of inheritance go
(biology) a theory of how characteristics of one generation are derived from earlier generations
associationism, association theory go
(psychology) a theory that association is the basic principle of mental activity
atomism go
(psychology) a theory that reduces all mental phenomena to simple elements (sensations and feelings) that form complex ideas by association
functionalism go
a psychology based on the assumption that all mental process are useful to an organism in adapting to the environment
Gestalt psychology, configurationism go
(psychology) a theory of psychology that emphasizes the importance of configurational properties
game theory, theory of games go
(economics) a theory of competition stated in terms of gains and losses among opposing players