byssus
/ˈbɪsəs/noun
byssus is spelled B-Y-S-S-U-S: 6 letters. It appears about once in every 60 million words in written English, the 243,301st most frequent word form (wordfreq, 2021 data). As a noun, byssus means “The long fine silky filaments excreted by several mollusks (particularly Pinna nobilis) by which they attach themselves to the sea bed, and from…” (English Wiktionary, September 2026). The plural of byssus is byssi or byssuses.
How many letters and syllables are in byssus?
| Letters | 6: B-Y-S-S-U-S |
|---|---|
| In writing | about once in every 60 million words; the 243,301st most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is byssus?
Byssus appears about once in every 60 million words in written English, the 243,301st 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 byssus?
- /ˈbɪsəs/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of byssus
- byssi plural
- byssuses plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does byssus mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The long fine silky filaments excreted by several mollusks (particularly Pinna nobilis) by which they attach themselves to the sea bed, and from which sea silk is manufactured.
- 2
Sea silk manufactured from these filaments.
- 3
The stipe or stem of some fungi which are particularly thin and thread-like.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Byssus in Spanish, French, German and Portuguese
In the sense filaments of molluscs:
| Language | Words |
|---|---|
| French | byssus |
| Spanish | biso |
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 byssus come from?
From Latin byssus, from Ancient Greek βύσσος (bússos, “flax; flax cotton”), from a Semitic source cognate to Hebrew בּוּץ (būṣ, “byssus”) and Aramaic בּוּצָא (būṣā, “byssus”)
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).