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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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abstraction, abstract entity go
a general concept formed by extracting common features from specific examples
a general concept formed by extracting common features from specific examples
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pollution go
undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities
undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities
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small-particle pollution
air pollution caused by fine particles of soot (as from power plants or diesel engines)
air pollution caused by fine particles of soot (as from power plants or diesel engines)
noun.state
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