Standard Lemma guide
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.
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noun
Bacteria of the genus Legionella.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
the motile aerobic rod-shaped Gram-negative bacterium that thrives in central heating and air conditioning systems and can cause Legionnaires' disease
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: Legionella pneumophilia
Antonyms: none provided
Broader terms: bacteria, bacterium
History
From legion + translingual -ella, from Latin legio. Constructed from American Legion, after an outbreak of a then-unknown "mystery disease" (Legionnaires' disease) at a convention of the American Legion in Philadelphia in 1976.
