peristalsis

/หŒpษ›ษนษชหˆstรฆlsษชs/

IPA: /P EH1 R AH0 S T AE0 L S AH0 S/

noun
  1. 1

    The rhythmic, wave-like contraction and relaxation of muscles so as to propagate motion, as of food in the digestive tract.

Source: https://en.wiktionary.org/wiki/peristalsis