Standard Lemma guide

mitochondria

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.

  • General-American: /ˌmaɪ.toʊˈkɑn.dɹi.ə/
  • General-American: /ˌmaɪ.dəˈkɑn.dɹi.ə/
  • Received-Pronunciation: /ˌmaɪ.tə(ʊ)ˈkɒn.dɹi.ə/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: M AY2 T AH0 K AA1 N D R IY0 AH0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

plural of mitochondrion

Definition source: English Wiktionary via Wiktextract

Usage: form-of, plural

Examples

  • Muscles contain many mitochondria so that they can have large energy supplies.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

mitochondrion.

Definition source: English Wiktionary via Wiktextract

Usage: proscribed, sometimes

Examples

  • The mitochondria is the powerhouse of the cell.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From mitochondrion + -a.

See above.

Real reading context

mitochondria in complete knowledge articles

Cavalier-Smith's system of classification History & culture · Advanced · 5 uses