decidua
/dɪˈsɪdʒʊə/noun
decidua is spelled D-E-C-I-D-U-A: 7 letters. It appears about once in every 20 million words in written English, the 136,649th most frequent word form (wordfreq, 2021 data). As a noun, decidua means “A mucous membrane that lines the uterus and is shed during menstruation and modified during pregnancy” (English Wiktionary, September 2026). The plural of decidua is deciduas or deciduae.
How many letters and syllables are in decidua?
| Letters | 7: D-E-C-I-D-U-A |
|---|---|
| In writing | about once in every 20 million words; the 136,649th 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 decidua?
Decidua appears about once in every 20 million words in written English, the 136,649th 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 decidua?
- UK /dɪˈsɪdʒʊə/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of decidua
- deciduas plural
- deciduae plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does decidua mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A mucous membrane that lines the uterus and is shed during menstruation and modified during pregnancy.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Decidua in Spanish, French, German and Portuguese
In the sense a mucous membrane that lines the uterus:
| Language | Words |
|---|---|
| French | membrane déciduale, caduque |
| Portuguese | decídua |
| Spanish | decidua |
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 decidua come from?
From Latin dēciduus (“falling down or off”), from dēcidō (“fall down”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).