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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

content, cognitive content, mental object go
the sum or range of what has been perceived, discovered, or learned

thought, idea go
the content of cognition

conception, concept, construct go
an abstract or general idea inferred or derived from specific instances

law, natural law go
a rule or body of rules of conduct inherent in human nature and essential to or binding upon human society

principle go
a basic truth or law or assumption

conservation
(physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations

noun.cognition

5 Subcategories

conservation of charge, conservation of electricity go
the principle that the total electric charge of a system remains constant despite changes inside the system
conservation of energy, law of conservation of energy, first law of thermodynamics go
the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
conservation of mass, conservation of matter, law of conservation of mass, law of conservation of matter go
a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
conservation of momentum go
the principle that the total linear momentum in a closed system is constant and is not affected by processes occurring inside the system
parity, conservation of parity, space-reflection symmetry, mirror symmetry go
(physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system