fuzzy set: Meaning and Definition of

fuzz'y set'

Pronunciation: [key]
— Math. Math.
  1. a generalization of a classical set with the property that each member of a population of objects has associated with it a number, usually from 0 to 1, that indicates the degree to which the object belongs to the set.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.