bacillus noun

/bəˈsɪl.əs/ n [C] (plural bacilli) specialized

Definition

a bacterium (= an extremely small organism) which is shaped like a rod. There are various types of bacillus, some of which can cause disease.

(Definition of bacillus noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Synonyms and related words:

to be worried and not relaxed

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