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
A single-celled organism with cell walls but no nucleus or organelles.
Definition source: English Wiktionary via Wiktextract
Topics: biology, microbiology, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
(microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: bacteria
Antonyms: none provided
Broader terms: microorganism, micro-organism
Narrower terms: acidophil, acidophile, probiotic, probiotic bacterium, probiotic microflora, probiotic flora, bacteroid, eubacteria, eubacterium, true bacteria, Calymmatobacterium, genus Calymmatobacterium, Francisella, genus Francisella, gonococcus, Neisseria gonorrhoeae, Legionella pneumophilia, legionella, nitrobacterium, penicillin-resistant bacteria, pus-forming bacteria, rod, diplococcus, superbug
History
Etymology tree 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 From New Latin bactērium, from Ancient Greek βακτήριον (baktḗrion, “small staff”), from βακτηρία (baktēría).
Across languages
107 source translations are retained for this English entry.
