Source : Webster's Revised Unabridged Dictionary (1913)

Ingredience \In*gre"di*ence\, Ingrediency \In*gre"di*en*cy\, n.
   [See {Ingredient}.]
   1. Entrance; ingress. [Obs.] --Sir M. Hale.

   2. The quality or state of being an ingredient or component
      part. --Boyle.