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.
an acoustic engineer. noun an expert in acoustics
pertaining to the sense or organs of hearing, to sound, or to the science of sound. (of a building material) designed for controlling sound. music. of, relating to, or being a musical instrument whose sound is not electrically enhanced or modified. arranged for or made up of such instruments: an acoustic solo; an acoustic group. […]
(used with a singular verb) physics. the branch of physics that deals with sound and sound waves. (used with a plural verb) the qualities or characteristics of a room, auditorium, stadium, etc., that determine the audibility or fidelity of sounds in it. pertaining to the sense or organs of hearing, to sound, or to the […]
a portable electronic device for measuring noise levels, especially those of traffic.
adjective denoting a device in which electronic signals are converted into acoustic waves, esp in delay lines, etc also electroacoustic