资料来源 : pyDict

牛犊胃内膜;其凝乳;苹果一种

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Rennet \Ren"net\, n. [AS. rinnan, rennan, to run, cf. gerinnan
   to curdle, coagulate. [root]11. See {Run}, v.]
   The inner, or mucous, membrane of the fourth stomach of the
   calf, or other young ruminant; also, an infusion or
   preparation of it, used for coagulating milk. [Written also
   {runnet}.]

Rennet \Ren"net\ (r?n"n?t), n. [F. rainette, reinette, perhaps
   fr. raine a tree frog, L. rana, because it is spotted like
   this kind of frog. Cf. {Ranunculus}.] (Bot.)
   A name of many different kinds of apples. Cf. {Reinette}.
   --Mortimer.

资料来源 : WordNet®

rennet
     n : a substance that curdles milk in making cheese and junket