sinoatrial
adjective
sinoatrial is spelled S-I-N-O-A-T-R-I-A-L: 10 letters. It appears about once in every 32 million words in written English, the 171,907th most frequent word form (wordfreq, 2021 data). As an adjective, sinoatrial means “Relating to the venous sinus and the right atrium of the heart” (English Wiktionary, September 2026).
How many letters and syllables are in sinoatrial?
| Letters | 10: S-I-N-O-A-T-R-I-A-L |
|---|---|
| In writing | about once in every 32 million words; the 171,907th 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 sinoatrial?
Sinoatrial appears about once in every 32 million words in written English, the 171,907th 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).
What does sinoatrial mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Relating to the venous sinus and the right atrium of the heart.
sinoatrial block; sinoatrial node
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you abbreviate sinoatrial?
Wiktionary records one abbreviation of sinoatrial: SA.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Sinoatrial in Spanish, French, German and Portuguese
In the sense relating to the venous sinus and right atrium:
| Language | Words |
|---|---|
| French | sinu-atrial |
| Portuguese | sinoatrial |
| Spanish | sinoatrial |
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 sinoatrial come from?
From sino- + atrial.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).