Quiddity

[kwidәti]

(noun.) the essence that makes something the kind of thing it is and makes it different from any other.

Typed by Kevin--From WordNet

(n.) The essence, nature, or distinctive peculiarity, of a thing; that which answers the question, Quid est? or, What is it?

(n.) A trifling nicety; a cavil; a quibble.

Typed by Carla

n. [1]. Essence, nature.[2]. Quibble, cavil, evasion, sophism, subterfuge, prevarication, equivocation, trifling nicety.

Typist: Rosanna

n. the essence of anything: any trifling nicety: a cavil: a captious question.—adjs. Quidd′ative Quidd′itātive.

Inputed by Barnard