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