(n.) The act of taking or putting into the stomach; as, the ingestion of milk or other food.

ablation absorption appetite assimilation attrition bile burning up cannibalism carnivorism carnivority carnivorousness chewing consumption cropping deglutition depletion devouring devourment dieting digestion digestive system dining drain drinking eating eating up engorgement engulfment epulation erosion exhaustion expending expenditure feasting feeding finishing gastric juice gastrointestinal tract gluttony gobbling grazing gulp gulping herbivorism herbivority herbivorousness hunger imbibing imbibition impoverishment ingurgitation intestinal juice licking liver manducation mastication messing munching nibbling nutrition omnivorism omnivorousness omophagy pancreas pancreatic digestion pancreatic juice pantophagy pasture pasturing pecking predigestion regalement relishing rumination saliva salivary digestion salivary glands savoring secondary digestion slurp soaking-up spending squandering swallow swallowing taking-in tasting using up vegetarianism wastage waste wastefulness wasting away wearing away wearing down wolfing