acoustic

adj. also a·cous·ti·cal (-stĭ-kəl)

1. Of or relating to sound, the sense of hearing, or the science of sound.
2. 1. Designed to carry sound or to aid in hearing.
   2. Designed to absorb or control sound: acoustic tile.
3. Music.
   1. Of or being an instrument that does not produce or enhance sound electronically: an acoustic guitar; an acoustic bass.
   2. Being a performance that features such instruments: opened the show with an acoustic set.

n. Music
An acoustic instrument.

[Greek akoustikos, pertaining to hearing, from akouein, to hear.]

acoustically a·cous'ti·cal·ly adv.

adj. (of an explosive mine or other weapon) able to be set off by sound waves.

See the Introduction, Abbreviations and Pronunciation for further details.

Relating to sound or hearing.

• a. coupler — used in the low speed transmission of data over a telephone line.
• a. enhancement — an artifact seen in ultrasound examination. There is an area of increased brightness underneath fluid resulting from the lack of impedance when sound waves pass through fluid and increased echoes from underlying structures.
• a. gel — see coupling.
• a. nerve — see vestibulocochlear.
• a. reflex test — used primarily in humans to differentiate between sensorineural and conductive hearing loss.
• a. shadowing — an artifact seen in ultrasound imaging in which an intensely echogenic line appears at the surface of structures which block the passage of sound waves.
• a. window — the body surface area selected for application of the ultrasound transducer, through which sound waves will be transmitted. Consideration must be given to underlying bone or gas-filled structures which would impair image quality.

Any instrument that can provide sound without the use of electronic amplification.

This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)

Dansk (Danish)
adj. - akustisk
n. - akustik

idioms:

• acoustic coupler    modem

Nederlands (Dutch)
akoestisch (niet versterkt), betreffende gehoor/geluid, geluid absorberend

Français (French)
adj. - acoustique, phonétique, (Audio) acoustique, (Comput) insonorisant
n. - (Phys) acoustique

idioms:

• acoustic coupler    (Comput) interface acoustique
• acoustic guitar    guitare acoustique

Deutsch (German)
adj. - akustisch

idioms:

• acoustic coupler    akustischer Koppler
• acoustic guitar    akustische Gitarre

Ελληνική (Greek)
adj. - ακουστικός, ηχητικός

idioms:

• acoustic coupler    (Η/Υ) ψηφιοποιητής ήχων

Italiano (Italian)
acustico

Português (Portuguese)
adj. - acústico

Русский (Russian)
акустический, звуковой

Español (Spanish)
adj. - acústico
n. - acústico

idioms:

• acoustic coupler    micrófono acústico
• acoustic guitar    guitarra acústica

Svenska (Swedish)
adj. - akustisk, ljud-

中文（简体）(Chinese (Simplified))
听觉的, 声学的, 音响的, 不用电传音的乐器, 无电声放大的乐器

idioms:

• acoustic coupler    声音耦合器

中文（繁體）(Chinese (Traditional))
adj. - 聽覺的, 聲學的, 音響的
n. - 不用電傳音的樂器, 無電聲放大的樂器

idioms:

• acoustic coupler    聲音耦合器

한국어 (Korean)
adj. - 청각의
n. - 음향학

日本語 (Japanese)
adj. - 聴覚の, 電子装置を用いない, 音響の
n. - 音響学, 音響効果

idioms:

• acoustic guitar    アコースティックギター

العربيه (Arabic)
‏(صفه) صوتي, سمعي‏

עברית (Hebrew)
adj. - ‮שמיעתי, קולי, אקוסטי, ללא הגברת-קול חשמלית (כלי-נגינה), בלתי-חדירים לקול או משנים אותו (חומרי-בניין), ניתן לפיצוץ מתחת למים באמצעות גלי-קול (מוקש)‬
n. - ‮ברבים: תכונות מקום סגור בהפצת צלילים, ברבים: מדע הקול, אקוסטיקה‬

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acoustic	Boston Acoustic
Acoustic Guitar	Acoustic Research