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bacteriology

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Etymology and origin of the English word bacteriology

Confidence
Established
Formation
Derivation
First attested
1884 the Athenæum More words from the 19th century
Ultimate origin
Ancient Greek βάκτρον,-λογία
Etymology tree
inherited borrowed derived
Ancient Greek βακτηρία (baktēría)
Ancient Greek βακτήριον (baktḗrion)
Latin bactērium
English bacterium
English bacteriology
The word's journey
From the same root
English bacteria ← bacterium
English bacterial ← bacterium

Pronunciation

  • /bækˌtɪəɹ.ɪˈɒləd͡ʒi/[1]

Etymology

It is formed from English bacterium + -logy,[2][3] with the connecting vowel -o-,[4][5] probably on the model of the earlier German Bakteriologie.[4][6] Merriam-Webster treats it as an international scientific word, from bacteri- and the same suffix.[7] Its base is a New Latin word,[8][2] from Ancient Greek βακτήριον (baktḗrion, “small staff”), a diminutive of βάκτρον (báktron, “stick, rod, staff”);[2][8][6] the German naturalist Christian Gottfried Ehrenberg introduced it as a scientific term in 1838, the first bacteria seen being rod-shaped.[6] The suffix is from Ancient Greek -λογία (-logía).[3]

Earliest recorded meaning

The scientific study of bacteria: 1884, in the Athenæum of 30 August.[2][4][6] Merriam-Webster Unabridged dates the word to 1882.[7]

Semantic evolution

Merriam-Webster defines it more fully as the study of bacteria in their bearing on medicine, industry and agriculture, and the bacterial life of a particular thing, such as a water supply or a disease.[7][9] The adjective bacteriological is recorded from 1886, and bacteriological warfare from 1924.[6]

Timeline

  • 1884 – the scientific study of bacteria.[2][4][6] Merriam-Webster Unabridged has 1882.[7]

Meanings

Noun

  1. The branch of science that studies bacteria, especially in relation to medicine, industry and agriculture.[7][10][2]
  2. The bacterial life of something, or the bacteria involved in it: the bacteriology of a wound infection.[7][9]

Word family

  • bacteriologic
  • bacteriologically
  • bacteriologist

References

  1. ^ Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f Oxford English Dictionary Online (accessed March 2026), Oxford: Oxford University Press
  3. ^ a b Klein, Ernest. A Comprehensive Etymological Dictionary of the English Language. 2 vols. Amsterdam: Elsevier, 1966–1967.
  4. ^ a b c d Barnhart, Robert K. (1988), The Barnhart Dictionary of Etymology
  5. ^ Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press
  6. ^ a b c d e f Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  7. ^ a b c d e f Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
  8. ^ a b The American Heritage Dictionary of the English Language (online 2024), 5th ed., Boston: Houghton Mifflin Harcourt
  9. ^ a b Merriam-Webster's Collegiate Dictionary (2003), 11th ed., Springfield, Mass.: Merriam-Webster
  10. ^ Collins English Dictionary (2023), Glasgow: HarperCollins
Cite this entry

“Bacteriology.” Etymologically, 7 Nov. 2026, etymologically.com/en/bacteriology. Accessed 7 Nov. 2026.

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