diastalsis
noun
a downward wave of contraction occurring in the intestine during digestion See also peristalsis
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
His important discovery of the diastaltic nervous system, by which his name will long be known amongst scientific men, originated in an exceedingly simple circumstance.
From Self help; with illustrations of conduct and perseverance by Samuel Smiles