| ACOUSTIC | • acoustic adj. Pertaining to the sense of hearing, the organs of hearing, or the science of sounds. • acoustic adj. (Music) Naturally producing or produced by an instrument without electrical amplification or the need thereof.
 • acoustic n. (Usually in the plural) The properties or qualities of a room or building that determine how sound is…
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| ACOUSTICS | • acoustics n. (Physics) The science of sounds, teaching their nature, phenomena and laws. • acoustics n. Plural of acoustic.
 • ACOUSTIC n. a sense of hearing.
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| ACOUSTICAL | • acoustical adj. Of or pertaining to hearing or acoustics. • ACOUSTICAL adj. relating to the science of sound, also ACOUSTIC.
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| ANACOUSTIC | • anacoustic adj. Anechoic, soundless. • anacoustic adj. (Physics) Describing the upper reaches of the atmosphere, and of space, in which the concentration of…
 • ANACOUSTIC adj. unable to support the propagation of sound; soundless.
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| DIACOUSTIC | • diacoustic adj. Relating to diacoustics. • DIACOUSTIC adj. pertaining to the refraction of sound.
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| ACOUSTICIAN | • acoustician n. One versed in acoustics, especially a physicist who specializes in acoustics. • ACOUSTICIAN n. one versed in the science of acoustics.
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| DIACOUSTICS | • diacoustics n. The science concerned with the properties of sound as affected by passing through different mediums; diaphonics. • DIACOUSTICS n. the branch of physics that deals with refracted sound.
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| ACOUSTICALLY | • acoustically adv. (Manner) In an acoustic manner, or using an acoustic musical instrument. • acoustically adv. (Domain) From the perspective of acoustics.
 • ACOUSTICAL adv. relating to the science of sound, also ACOUSTIC.
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| ACOUSTICIANS | • acousticians n. Plural of acoustician. • ACOUSTICIAN n. one versed in the science of acoustics.
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| BIOACOUSTICS | • bioacoustics n. A cross-disciplinary science that combines biology and acoustics, investigating for instance the mechanisms… • BIOACOUSTICS n. a branch of science concerned with the production of sound by and its effects on living organisms.
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| CATACOUSTICS | • catacoustics n. (Archaic) The science which studies reflected sound. • CATACOUSTICS n. the science of echoes or reflected sounds.
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| OPTOACOUSTIC | • optoacoustic adj. (Physics) Describing any of several interactions between light and sound. • OPTOACOUSTIC adj. relating to or combining both vision and hearing.
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| AEROACOUSTICS | • aeroacoustics n. (Physics) A branch of acoustics that studies noise generation via either turbulent fluid motion or aerodynamic… • AEROACOUSTICS n. the study of the generation and transmittance of sound by fluid flow.
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| BIOACOUSTICIAN | • bioacoustician n. (Biology) An expert in bioacoustics. | 
| HYDROACOUSTICS | • hydroacoustics n. Any of various sciences and technologies dealing with sound transmitted through water. • HYDROACOUSTICS n. the study of sound travelling through water.
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| PSYCHOACOUSTIC | • psychoacoustic adj. Of or pertaining to psychoacoustics. • PSYCHOACOUSTIC adj. relating to psychoacoustics.
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| BIOACOUSTICIANS | • bioacousticians n. Plural of bioacoustician. | 
| ELECTROACOUSTIC | • electroacoustic adj. Of or pertaining to electroacoustics. • ELECTROACOUSTIC adj. relating to electroacoustics, the technology of converting acoustic energy into electrical energy and vice versa.
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| PSYCHOACOUSTICS | • psychoacoustics n. The scientific study of all the psychological interactions between humans and the world of sound; includes… • PSYCHOACOUSTICS n. a branch of science dealing with the perception of sound, the sensations produced by sounds, and the problems of communication.
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