antiperistaltic, a. Phys.
(ˌæntɪpɛrɪˈstæltɪk)
[anti- 3.]
Contrary to peristaltic motion; acting upwards. (See quot.)
| 1706 Phillips, Antiperistaltick Motion, an irregular Motion of the guts. 1727–51 Chambers Cycl. s.v., As the peristaltic motion is a contraction of the fibres of two intestines from above, downwards; the antiperistaltic motion is their contraction from below, upwards. a 1845 Syd. Smith Plymley Lett. ix, They are nauseous, antiperistaltic, and emetical. |