/ Dictionary / Index T Tyndall beam: Meaning and Definition of Find definitions for: Tyn'dall beam" Pronunciation: [key] — Physical Chem. Physical Chem. the visible path of light produced by the scattering actionof the particles in a colloidal solution on a beam of light passed through it. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Tyndall Tyndareus Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language