You searched for: “acoustical
acoustical (adjective), more acoustical, most acoustical
1. Relating to sounds or the sense of hearing: The acoustical characteristics of the apartment in the noisy city helped the inhabitants to enjoy a quieter lifestyle.
2. Concerning sounds that are made by musical instruments and voices: Margaret loves to listen to acoustical folk music.
Word Entries containing the term: “acoustical
acous-, acou-, -acoustical, -acusis-, -acusia
Greek: hearing, listening, of or for hearing.

A unit about hearing or listening words also includes two self-scoring quizzes to challenge your knowledge.

This entry is located in the following unit: Special Contents of Interest (page 1)
acoustical ceiling (s) (noun), acoustical ceilings (pl)
The top of a room that is covered with, or constructed with, material that is designed to control or to absorb sounds: It was necessary for the gym, where the students played basketball, to have an acoustical ceiling because all of the noise caused by the students or players and the spectators was irritating everyone.
acoustical cloud (s) (noun), acoustical clouds (pl)
A panel or similar device that is suspended from an auditorium ceiling: An acoustical cloud was positioned above the orchestra so it could reflect the musical sounds better for the audience.

One music hall had several acoustical clouds suspended from the ceiling, however the architect forgot to take into consideration that heat from the audience and the performers could send the acoustical clouds spinning around over the heads of the audience and therefore the architect had to come up with a better solution.

acoustical engineering (s) (noun) (no pl)
The practical applications of the science of sounds: Acoustical engineering deals with the control of sounds and vibrations, however it is concerned not just with audible sounds, but also with phenomena that range from barely measurable magnitudes on up to levels capable of causing severe damage.

The normal areas of acoustical engineering include, among others: architectural and musical acoustics, noise and vibration control, underwater acoustics, ultrasonics, communication engineering, shock and vibration engineering, and instrumentation engineering.

  • Architectural and musical acoustics or environments involving sounds.
  • Noise and vibration control or keeping sounds within acceptable limits.
  • Underwater acoustics or sonar engineering oceans.
  • Ultrasonics or ultra-high-frequency sounds and vibrations.
  • Communication engineering or the transmissions of spoken information.
  • Shock and vibration engineering is a part of mechanical and structural engineering.
  • Instrumentation engineering relates to all of the preceding issues, such as the design and applications of sensors for sounds and vibrations, of sounds and vibration generators, of recording systems, and of data analysis equipment.
—Compiled from an article located at
Academic Press Dictionary of Science and Technology
by Eric E. Ungar, A Consulting Engineer;
Harcourt Brace Jovanovich, Publishers; New York; 1992; page 26.
acoustical material (s) (noun), acoustical materials (pl)
Any fabric or composition of material that is designed to reduce sounds or to absorb unwanted noises: The architect ordered acoustical material for the ceiling of the room from a reputable dealer who specialized in sound systems.
acoustical surveillance (s) (noun), acoustical surveillances (pl)
Any of various military techniques that involve the use of sound-detection devices to obtain information for intelligence purposes: The members of the intelligence team of the national army used special equipment for acoustical surveillances in order to detect underground tunnels and shafts which the revolutionaries might have been using.
Word Entries at Get Words containing the term: “acoustical
acoustical signal
Sounds used as a form of intraspecific communication; that is, being within or occurring among the members of the same species.
This entry is located in the following unit: Biology Terms + (page 1)