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Bacterium vs Protozoan - What's the difference?

bacterium | protozoan |

As nouns the difference between bacterium and protozoan

is that bacterium is (microbiology) a single celled organism with no nucleus while protozoan is (cytology) any of the diverse group of eukaryotes, of the phylum protozoa, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia.

As an adjective protozoan is

of, pertaining to, or characteristic of a protozoan.

bacterium

English

Noun

(bacteria)
  • (microbiology) A single celled organism with no nucleus.
  • *{{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)
  • , title= Welcome to the plastisphere , passage=Plastics are energy-rich substances, which is why many of them burn so readily. Any organism that could unlock and use that energy would do well in the Anthropocene. Terrestrial bacteria and fungi which can manage this trick are already familiar to experts in the field.}}

    Usage notes

    * In most formal writing, . This is usually considered incorrect.

    Hyponyms

    * See also

    Hypernyms

    * prokaryote

    Derived terms

    * eubacterium * archaebacterium / archebacterium

    See also

    * bacillus English nouns with irregular plurals ----

    protozoan

    Noun

    (protozoa)
  • (cytology) Any of the diverse group of eukaryotes, of the phylum Protozoa, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia.
  • Synonyms

    * protozoon

    Hyponyms

    *

    Adjective

    (-)
  • Of, pertaining to, or characteristic of a protozoan.
  • Derived terms

    * protozoal * protozoic