peristalsis Definition in the Cambridge English Dictionary
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Definition of “peristalsis” - English Dictionary

Definition of "peristalsis" - American English Dictionary

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peristalsisnoun [U]

 /ˌper·əˈstɔl·sɪs, -ˈstæl-/
biology the ​repeatedmovements made in the ​tube that ​carriesfood away from the ​stomach, which ​pushfood and ​waste through the ​body
(Definition of peristalsis from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "peristalsis" - British English Dictionary

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peristalsisnoun [U]

uk   /ˌper.ɪˈstæl.sɪs/  us   /-ˈstɑːl-/ specialized
the ​repeatedmovements made by the ​musclewalls in the digestivetracttightening and then ​relaxing that ​pushfood and ​waste through the ​body
(Definition of peristalsis from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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