mastication
N การ เคี้ยว kan-kiao
MASTICATION
n.The act or operation of chewing solid food, breaking it into small pieces, and mixing it with saliva; thus preparing it for deglutition, and more easy digestion in the stomach. Mastication is a necessary preparation of solid aliment, without which there can be no good digestion.
Mas `ti *ca "tion, n. Etym: [L. masticatio: cf. F. mastication. ]
mastication n. f. nom féminin Action de broyer les aliments avec les dents.
m à s ti c á tion 名詞 U そしゃく .