Standard Lemma guide

mycobacterium

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

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  • rhymes with -ɪəɹiəm

1

noun

Meaning 1

Any of many rod-shaped, aerobic bacteria, of the genus Mycobacterium, that cause diseases such as tuberculosis and leprosy.

Definition source: English Wiktionary via Wiktextract

Topics: bacteriology, biology, microbiology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

rod-shaped bacteria some saprophytic or causing diseases

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: mycobacteria

Antonyms: none provided

Broader terms: eubacteria, eubacterium, true bacteria

Narrower terms: tubercle bacillus, Mycobacterium tuberculosis, leprosy bacillus, Mycobacterium leprae

History

Etymology

Etymology tree Pre-Greekder. Ancient Greek μῠ́κης (mŭ́kēs) Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- English myco- Ancient Greek βακτηρία (baktēría) Proto-Indo-European *-yósder. Ancient Greek -ῐος (-ĭos)? Ancient Greek -ιον (-ion) Ancient Greek βακτήριον (baktḗrion)bor. New Latin bactēriumbor. English bacterium English mycobacterium From myco- + bacterium.

Across languages

Translations

5 source translations are retained for this English entry.

  • Catalan: micobacteri — bacterium of the genus Mycobacterium
  • Czech: mykobakterie — bacterium of the genus Mycobacterium
  • Finnish: mykobakteeri — bacterium of the genus Mycobacterium
  • Greek: μυκοβακτήριο (mykovaktírio) — bacterium of the genus Mycobacterium
  • Spanish: micobacteria — bacterium of the genus Mycobacterium