noun
feeling of fullness; how filling a food is
Refers to how long a food keeps you full or how satisfying it is in terms of satiety. Often used when comparing foods.
玄米は白米より腹持ちがいい。
Brown rice is more filling than white rice.
このパンは腹持ちが悪くて、すぐお腹が空く。
This bread isn't very filling; I get hungry again quickly.
満腹感 is the sensation of being full after eating, while 腹持ち focuses on how long that fullness lasts or the satiating quality of the food itself.
Compound of 腹 (はら, 'stomach') and 持ち (もち, continuative form of 持つ, 'to hold, keep'). Literally 'stomach-holding', referring to how well food stays in the stomach.