/ Dictionary / Index V vector addition: Meaning and Definition of Find definitions for: vec'tor addi"tion Pronunciation: [key] — Math. Math. the process of finding one vector that is equivalent to the result of the successive application of two or more given vectors. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vector vector analysis Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language