/ Dictionary / Index A acoustical tile: Meaning and Definition of Find definitions for: acous'tical tile' Pronunciation: [key] tile made in various sizes and textures from soft, usually fibrous, sound-absorbing material, as wood, cork, or metal, and typically applied to ceilings or walls. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acoustical surveillance acoustic coupler Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language