D defs.my
Entry 2 senses Webster, 1913

Distinguisher

· Dis·tin·guish·er · IPA
01 n. One who, or that which, distinguishes or separates one thing from another by marks of diversity.
  1. 1.
    One who, or that which, distinguishes or separates one thing from another by marks of diversity.
  2. 2.
    One who discerns accurately the difference of things; a nice or judicious observer.