Pronunciation: (dif"u-ren'shē-u, -shu), [key]
—pl. -ti•aePronunciation: (-shē-ē"). [key]
1. the character or attribute by which one species is distinguished from all others of the same genus.
2. the character or basic factor by which one entity is distinguished from another.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.