Definition of stent noun from the Oxford Advanced Learner's Dictionary

 

stent

 noun
noun
BrE BrE//stent//
 
; NAmE NAmE//stent//
 
(medical)
 
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a small support that is put inside a blood vessel (= tube) in the body, for example in order to stop something blocking it Word Origin late 19th cent. (originally referring to a substance used in dentistry for making impressions of the teeth): from the name of Charles T. Stent (1807–85), English dentist. The sense ‘splint’ dates from the 1960s.
See the Oxford Advanced American Dictionary entry: stent