D defs.my
Entry 1 sense Webster, 1913

Succedaneum

· Suc·ce·da·ne·um · IPA /sʌksɪˈdeɪnɪəm/
01 n. One who, or that which, succeeds to the place of another; that which is used for something else; a substitute;
pl. Succedanea ((#))
  1. 1.
    One who, or that which, succeeds to the place of another; that which is used for something else; a substitute;(Med.)
    “In lieu of me, you will have a very charming succedaneum, Lady Harriet Stanhope.” Walpole.