Pronunciation: (dis-kôr'dns), [key]
1. a discordant state; disagreement; discord.
2. an instance of this.
4. Geol.lack of parallelism between adjacent strata, as in an angular unconformity.
5. (in genetic studies) the degree of dissimilarity in a pair of twins with respect to the presence or absence of a disease or trait.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.