IPA: //poʊstˈprændiəl//
KK: /pəʊstˈprændiəl/
Relating to the period after a meal.
After dinner, we enjoyed a postprandial conversation over coffee.
Postprandial → It is formed from "post-" (meaning after) and "prandium" (meaning meal or lunch in Latin). The word "postprandial" refers to the period after a meal.
Think of the time 'after' ('post-') a 'meal' ('prandium') — that's what postprandial means.