MASTICATION
Source: 566, 567
mastication. Mastication, n. the act of chewing or eating
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Mas′ti‐ca″tion (?), n. [[L. masticatio: cf. F. mastication.]] The act or operation of masticating; chewing, as of food. Mastication is a necessary preparation of solid aliment, without which there can be no good digestion. Arbuthnot.