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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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					scientific research, research project go
research into questions posed by scientific theories and hypotheses
				
			research into questions posed by scientific theories and hypotheses
		experiment, experimentation
the act of conducting a controlled test or investigation
	
				the act of conducting a controlled test or investigation
noun.act
	4 Subcategories
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				testing go 
the act of subjecting to experimental test in order to determine how well something works
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				trial and error go 
experimenting until a solution is found
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				Michelson-Morley experiment go 
a celebrated experiment conducted by Albert Michelson and Edward Morley
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				control experiment go 
an experiment designed to control for variables affecting the results of another experiment