Standard Lemma guide

myocardium

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: M AY2 AH0 K AA1 R D IY0 AH0 M Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The muscular substance of the heart; the middle of the three layers forming the outer wall of the human heart.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, cardiology, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

the middle muscular layer of the heart wall

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: cardiac muscle, heart muscle

History

Etymology

From New Latin myocardium, from Ancient Greek μῦς (mûs, “muscle”) + καρδίᾱ (kardíā, “heart”).

Across languages

Translations

27 source translations are retained for this English entry.

  • Catalan: miocardi — muscles that surround and power the heart
  • Chinese Mandarin: 心肌 (xīnjī) — muscles that surround and power the heart
  • Czech: myokard — muscles that surround and power the heart
  • Finnish: sydänlihas — muscles that surround and power the heart
  • French: myocarde — muscles that surround and power the heart
  • Galician: miocardio — muscles that surround and power the heart
  • Georgian: მიოკარდიუმი (mioḳardiumi) — muscles that surround and power the heart
  • Georgian: მიოკარდი (mioḳardi) — muscles that surround and power the heart
  • Georgian: გულის კუნთი (gulis ḳunti) — muscles that surround and power the heart
  • German: Myokard — muscles that surround and power the heart
  • German: Herzmuskel — muscles that surround and power the heart
  • Greek: μυοκάρδιο (myokárdio) — muscles that surround and power the heart
  • Hungarian: miokardium — muscles that surround and power the heart
  • Hungarian: szívizom — muscles that surround and power the heart
  • Icelandic: hjartavöðvi — muscles that surround and power the heart
  • Italian: miocardio — muscles that surround and power the heart
  • Japanese: 心筋 (shinkin) — muscles that surround and power the heart
  • Korean: 심근 (simgeun) — muscles that surround and power the heart
  • Northern Kurdish: masûlkeya dil — muscles that surround and power the heart
  • Polish: mięsień sercowy — muscles that surround and power the heart
  • Portuguese: miocárdio — muscles that surround and power the heart
  • Romanian: miocard — muscles that surround and power the heart
  • Romanian: mușchi al inimii — muscles that surround and power the heart
  • Russian: миока́рд (miokárd) — muscles that surround and power the heart
  • Spanish: miocardio — muscles that surround and power the heart
  • Swedish: hjärtmuskulatur — muscles that surround and power the heart
  • Swedish: myokardium — muscles that surround and power the heart