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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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					operation, surgery, surgical operation, surgical procedure, surgical process go
a medical procedure involving an incision with instruments
				
			a medical procedure involving an incision with instruments
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					cataract surgery go
eye surgery that involves removing all or part of the lens and replacing it with an intraocular lens implant
				
			eye surgery that involves removing all or part of the lens and replacing it with an intraocular lens implant
		extracapsular surgery
cataract surgery in which only the front of the lens is removed
	
				cataract surgery in which only the front of the lens is removed
noun.act
	1 Subcategories
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				phacoemulsification go 
extracapsular surgery for cataracts in which ultrasonic sound breaks the cortex and nucleus of the lens into small fragments that are then vacuumed away through a small tube