sinusoid
/ˈsaɪ.nə.sɔɪd/noun, adjective
sinusoid is spelled S-I-N-U-S-O-I-D: 8 letters and 3 syllables. It appears about once in every 34 million words in written English, the 178,202nd most frequent word form (wordfreq, 2021 data). As a noun, sinusoid means “A curve having the shape of a sine wave” (English Wiktionary, September 2026). The plural of sinusoid is sinusoids.
How many letters and syllables are in sinusoid?
| Letters | 8: S-I-N-U-S-O-I-D |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | about once in every 34 million words; the 178,202nd 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 sinusoid?
Sinusoid appears about once in every 34 million words in written English, the 178,202nd 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 sinusoid?
- US /ˈsaɪ.nə.sɔɪd/
- Australia /ˈsɑɪ.nə.soɪd/
Sinusoid 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: LL-Q1860_(eng)-NaomiAmethyst-sinusoid.wav, Wikimedia Commons (author and licence on each file's page).
Forms of sinusoid
- sinusoids plural
- more sinusoid comparative
- most sinusoid superlative
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does sinusoid mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A curve having the shape of a sine wave.
Temperature during the week can be represented with a sinusoid.
- 2
Any of several channels through which venous blood passes in various organs.
adjective
- 1
Sinusoidal.
- 2
Characteristic of a sinus.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Sinusoid in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | sinusoïde |
| German | Sinuskurve , Sinusoid |
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 sinusoid come from?
From the French sinusoïde, equivalent to sinus + -oid.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).