peridium
noun
peridium is spelled P-E-R-I-D-I-U-M: 8 letters. It appears about once in every 45 million words in written English, the 206,808th most frequent word form (wordfreq, 2021 data). As a noun, peridium means “The outer layer that covers the spore-bearing organ in many fungi” (English Wiktionary, September 2026). The plural of peridium is peridia or peridiums.
How many letters and syllables are in peridium?
| Letters | 8: P-E-R-I-D-I-U-M |
|---|---|
| In writing | about once in every 45 million words; the 206,808th 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 peridium?
Peridium appears about once in every 45 million words in written English, the 206,808th 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).
Forms of peridium
- peridia plural
- peridiums plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does peridium mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The outer layer that covers the spore-bearing organ in many fungi.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does peridium come from?
A New Latin form of Ancient Greek πηρίδιον (pērídion, “little pouch”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).