/ Dictionary / Index M magnaflux: Meaning and Definition of Find definitions for: mag•na•flux Pronunciation: (mag'nu-fluks"), [key] — v.t. to test (iron or steel) for defects using the Magnaflux method. Mag•na•flux Pronunciation: (mag'nu-fluks"), [key] — Trademark. Trademark. a test of ferrous metals involving the dusting of a magnetized sample with magnetic powder, or the application of oil containing magnetic particles in suspension, to detect surface cracks and defects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. magna est veritas, et praevalebit* Magna Graecia Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language