/ Dictionary / Index I internal relation: Meaning and Definition of Find definitions for: inter'nal rela'tion Pronunciation: [key] — Philos. Philos. a relation between two entities such that if they had not been in this relation the nature of each would necessarily have been different. Cf. external relation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. internal reconstruction internal resistance Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language