Bacterium Definition

băk-tîrē-əm
bacteria
noun
bacteria

Bacteria.

Webster's New World
Any of various prokaryotic microorganisms of the domain Bacteria that may be free-living, saprophytic, commensal, or pathogenic and that vary widely in terms of morphology, oxygen tolerance, nutritional and temperature requirements, and motility.
American Heritage Medicine
Any of the prokaryotic organisms, such as an archaeon. Not in scientific use.
American Heritage Medicine

(microbiology) A single celled organism with no nucleus.

Wiktionary
Synonyms:

Other Word Forms of Bacterium

Noun

Singular:
bacterium
Plural:
bacteria

Origin of Bacterium

  • New Latin bactērium from Greek baktērion diminutive of baktron rod bak- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From New Latin, from Ancient Greek βακτήριον (baktērion, “small staff”) + -ium.

    From Wiktionary

Bacterium Sentence Examples

  • In ordinary arable soil there exist motile rod-like bacteria, Bacterium radicicola.

  • The bacterium attaches itself to the surfaces of red blood cells.

  • One bacterium might thus produce in twenty-four hours a number of segments amounting to many millions of millions.

  • Lister for isolating a pure culture of lactic acid bacterium.

  • For example, genes from the bacterium bacillus thuringiensis produce a toxin that kills certain insects.

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Words Starting With

BBABAC

Words Ending With

MUMIUM

Unscrambles

bacterium

Words Starting With B and Ending With M

Starts With B & Ends With MStarts With BA & Ends With MStarts With B & Ends With UM

Word Length

9 Letter Words9 Letter Words Starting With B9 Letter Words Ending With M