pre·ci·os·i·ty 
(prĕsh′ē-ŏsĭ-tē, prĕs′-)
(prĕsh′ē-ŏsĭ-tē, prĕs′-)n. pl. pre·ci·os·i·ties
1. Overrefinement, as in language, taste, or style.
2. An instance of overrefinement.
[Middle English preciousite, preciousness, from Old French preciosite, from Latin pretiōsitās, from pretiōsus, precious, from pretium, price; see PRECIOUS.]