half-digested

adjective

(of food, drink, etc) partially digested
(of ideas, beliefs, etc) not entirely assimilated mentally
half-digested tenets of the latest intellectual fads

I believe, that when the specimens are first taken, all half digested food is ejected by the mouth.

Mammoths have been discovered frozen in the ice with half-digested tropical plants in their stomach.

The contents of the stomach had the appearance of a lump of fat, and consisted of half-digested muscle.

The young are fed by both parents, at first on half-digested fish, and when older on pieces of fresh fish.

When they stew the mass of meat and half digested moss, the stench is disgusting.

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