/ Dictionary / Index B bilinear form: Meaning and Definition of Find definitions for: bilin'ear form' Pronunciation: [key] — Math. Math. a function or functional of two variables that is linear with respect to each variable when the other variable is held fixed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bilinear bilinear transformation Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language