acoustics
/əˈkuː.stɪks/noun
acoustics is spelled A-C-O-U-S-T-I-C-S: 9 letters and 3 syllables. It appears 1.3 times per million words in written English, the 25,367th most frequent word form (wordfreq, 2021 data). As a noun, acoustics means “The science of sounds, teaching their nature, phenomena and laws” (English Wiktionary, September 2026).
How many letters and syllables are in acoustics?
| Letters | 9: A-C-O-U-S-T-I-C-S |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | 1.3 times per million words; the 25,367th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is acoustics?
Acoustics appears 1.3 times per million words in written English, the 25,367th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce acoustics?
- /əˈkuː.stɪks/
Acoustics has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-acoustics.ogg, Wikimedia Commons (author and licence on each file's page).
What does acoustics mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The science of sounds, teaching their nature, phenomena and laws.
- 2
The properties of a space that affect how sound carries.
The acoustics in the opera house gave the whole concert a spooky sound.
- 3
plural of acoustic
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Acoustics in Spanish, French, German and Portuguese
In the sense the science of sounds, teaching their nature, phenomena and laws:
| Language | Words |
|---|---|
| French | acoustique |
| German | Akustik |
| Portuguese | acústica |
| Spanish | acústica |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does acoustics come from?
From acoustic + -s.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).