Definition of "Fineness" :

noun: the quality of being very good indeed

"The inn is distinguished by the fineness of its cuisine."

noun: the quality of being beautiful and delicate in appearance

"The fineness of her features."

noun: having a very fine texture

"The fineness of the sand on the beach."

noun: the property of being very narrow or thin

"He marvelled at the fineness of her hair."