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Webster 1913 Edition


Bacillus

Ba-cil′lus

,
Noun.
;
pl.
Bacilli
.
[NL., for L. bacillum. See
Bacillariæ
.]
(Biol.)
A variety of bacterium; a microscopic, rod-shaped vegetable organism.

Definition 2024


Bacillus

Bacillus

See also: bacillus and Bacilli

Translingual

Bacillus anthracis (bacterium; spores)
Bacillus rossius (stick insect)

Proper noun

Bacillus m

  1. A taxonomic genus within the family Bacillaceae – certain rod-shaped bacteria.
  2. A taxonomic genus within the family Bacillidae – certain stick insects.

Hyponyms

Usage notes

Should not be confused with the class Bacilli.

Derived terms

bacillus

bacillus

See also: Bacillus and Bacilli

English

bacilli

Wikispecies

Noun

bacillus (plural bacilli)

  1. Any of various rod-shaped, spore-forming aerobic bacteria in the genus Bacillus, some of which cause disease.
    • 1895, H. G. Wells, The Stolen Bacillus
      'This again,' said the Bacteriologist, slipping a glass slide under the microscope, 'is a preparation of the celebrated Bacillus of cholera - the cholera germ.'

Translations

Derived terms


Latin

Etymology

Diminutive of baculus (staff, walking stick).

Pronunciation

  • (Classical) IPA(key): /baˈkil.lus/, [baˈkɪl.lʊs]

Noun

bacillus m (genitive bacillī); second declension

  1. Alternative form of bacillum

Inflection

Second declension.

Case Singular Plural
nominative bacillus bacillī
genitive bacillī bacillōrum
dative bacillō bacillīs
accusative bacillum bacillōs
ablative bacillō bacillīs
vocative bacille bacillī

Descendants

References