buoyancy
/ˈbɔɪ.ən.si/noun
buoyancy is spelled B-U-O-Y-A-N-C-Y. The wrong spelling people search most is bouyancy: about 210 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 10 of all searches for the word. Buoyancy is a noun meaning “The upward force on a body immersed or partly immersed in a fluid”. The plural of buoyancy is buoyancies.
How many letters and syllables are in buoyancy?
| Letters | 8: B-U-O-Y-A-N-C-Y |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | about once in every 1 million words; the 30,789th most frequent word form |
| Wrong spellings searched | 2; the most searched, bouyancy, about 210 Bing searches a month (all of them) |
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); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).
How do you spell buoyancy?
Buoyancy is spelled B-U-O-Y-A-N-C-Y. 2 wrong spellings are searched or written often enough to measure; together they are about 1 in 10 of the searches for buoyancy in either form.
Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.
How common is buoyancy?
Buoyancy appears about once in every 1 million words in written English, the 30,789th 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 buoyancy?
- US /ˈbɔɪ.ən.si/
Buoyancy 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-au-buoyancy.ogg, Wikimedia Commons (author and licence on each file's page).
Forms of buoyancy
- buoyancies plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does buoyancy mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The upward force on a body immersed or partly immersed in a fluid.
- 2
The ability of an object to stay afloat in a fluid.
- 3
Resilience or cheerfulness.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Buoyancy in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | poussée d'Archimède, flottabilité |
| German | Auftrieb , Schwimmfähigkeit , Belastbarkeit, Fröhlichkeit, Heiterkeit |
| Portuguese | impulsão, empuxo |
| Spanish | sustentación hidráulica, impulso para arriba, empuje hacia arriba, sustentación fluídica, sustentamiento hidrodinámica , flotabilidad |
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 buoyancy come from?
From buoyant + -cy or buoy + -ancy.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).