Definitions for "Quiddity"
Keywords:  cavil, nicety, quibble, trifling
A trifling nicety; a cavil; a quibble.
The essence, nature, or distinctive peculiarity, of a thing; that which answers the question, Quid est? or, What is it?
an evasion of the point of an argument by raising irrelevant distinctions or objections
In philosophy, quiddity is identity or "whatness," i.e., something's "what it is." The term derives from the Latin word "quidditas," which was used by the medieval Scholastics to refer to a concept of substance they encountered while translating the works of Aristotle.