Definition of "isomorphism" [i•so•mor•phism]

• Biology Similarity in form, as in organisms of different ancestry. (noun)
• Mathematics A one-to-one correspondence between the elements of two sets such that the result of an operation on elements of one set corresponds to the result of the analogous operation on their images in the other set. (noun)
• A close similarity in the crystalline structure of two or more substances of similar chemical composition. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The tie [with design isomorphism] is still exceedingly tenuous at the genetic level"
• "Design isomorphism is not a necessary auxiliary assumption for ID."
• "Although independently verified, I do not see how design isomorphism is inseparably tied to (non-human) ID itself ...."