myocardium
noun
myocardium is spelled M-Y-O-C-A-R-D-I-U-M: 10 letters and 5 syllables. It appears about once in every 7 million words in written English, the 76,798th most frequent word form (wordfreq, 2021 data). As a noun, myocardium means “The muscular substance of the heart; the middle of the three layers forming the outer wall of the human heart” (English Wiktionary, September 2026). The plural of myocardium is myocardiums or myocardia.
How many letters and syllables are in myocardium?
| Letters | 10: M-Y-O-C-A-R-D-I-U-M |
|---|---|
| Syllables | 5 (from its American pronunciation) |
| In writing | about once in every 7 million words; the 76,798th 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 myocardium?
Myocardium appears about once in every 7 million words in written English, the 76,798th 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 myocardium?
Myocardium has 5 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)-Vealhurl-myocardium.wav, Wikimedia Commons (author and licence on each file's page).
Forms of myocardium
- myocardiums plural
- myocardia plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does myocardium mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The muscular substance of the heart; the middle of the three layers forming the outer wall of the human heart.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Myocardium in Spanish, French, German and Portuguese
In the sense muscles that surround and power the heart:
| Language | Words |
|---|---|
| French | myocarde |
| German | Myokard, Herzmuskel |
| Portuguese | miocárdio |
| Spanish | miocardio |
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 myocardium come from?
From New Latin myocardium, from Ancient Greek μῦς (mûs, “muscle”) + καρδίᾱ (kardíā, “heart”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).