Acoustic glass is a special type of glass that is designed to reduce noise. It helps to block out loud sounds and make the environment quieter. Full definition
A quiet cabin is achieved through the use of acoustic glass on the windshield and the front side windows, as well as through expanded use of sound absorption materials. (anciranissansa.com)
Add in more insulation, liquid - filled engine mounts and acoustic glass in the windshield and the result is a very quiet and refined ride. (autofile.ca)
Active noise cancellation and greater use of acoustic glass make the cabin quiet enough that parents should have no problem hearing their kids in the third row. (digitaltrends.com)