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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

knowledge domain, knowledge base, domain go
the content of a particular field of knowledge

study, discipline, field, subject, subject area, subject field, field of study, bailiwick go
a branch of knowledge

science, scientific discipline go
a particular branch of scientific knowledge

natural science go
the sciences involved in the study of the physical world and its phenomena

physics, natural philosophy go
the science of matter and energy and their interactions

electronics go
the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices

thermionics
the branch of electronics dealing with thermionic phenomena (especially thermionic vacuum tubes)

noun.cognition

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