/ Dictionary / Index F Fourier analysis: Meaning and Definition of Find definitions for: Fou'rier anal"ysis Pronunciation: [key] — Physics, Math. Physics,Math. the expression of any periodic function as a sum of sine and cosine functions, as in an electromagnetic wave function. Cf. Fourier series. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Fourier Fourierism Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language