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bacterium

bacterium

31 5.3
A very small single-celled living thing with no nucleus that can sometimes cause disease
  • noun
  • /bækˈtɪəriəm/
  • Specialized
translation icon : bacteria
  • Perhaps no larger than a bacterium.
  • bacterium Bacillus
  • bacterium Bacillus thuringiensis
  • strain of bacterium

If you have a jar that's half full of bacteria, OK, the next doubling it's full.

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Examples

  • Escherichia coli is usually a commensal bacterium of humans and animals.

    Academic text (2012)
  • What if scientists were going to introduce DNA from a cancer causing virus into a gut bacterium that lives in our gut?

  • First of all, bacterium is about a Micron.

  • And then look at this, we have here a bacterium and here an Archaea.

  • A virus grabbed onto a bacterium and it slipped its DNA into it.

  • With a single bacterium in it, one that divides and doubles every minute.

  • So if you look right there, it finds that little bacterium and it engulfs it and eats it.

  • Lyme disease is caused by an infection from the bacterium borrelia burgdorferi.

  • Plague, a zoonotic disease caused by the bacterium Yersinia pestis, has been responsible for at least three pandemics.

    Academic text (2013)
  • The scientists isolated the bacterium responsible for the infection in the patient's bloodstream.

Compounds

nitrate bacterium
  • Specialized
7.0

A bacterium that turns nitrite into nitrate in soil

nitric bacterium
  • Specialized
7.7

A bacterium that turns nitrite into nitrate to help plants get nitrogen

nitrite bacterium
  • Specialized
6.8

A tiny living thing that turns ammonia into nitrite in soil or water

nitrous bacterium
  • Specialized
8.1

A bacterium that turns ammonia in soil into nitrites

probiotic bacterium
  • Specialized
3.6

A helpful bacterium that lives in the gut and helps digestion

7.9

A germ that makes you have a fever after a rat bites you

How Complex

animal
1.0
multicellular
  • Specialized
3 4.3
eucaryote
  • UK
8.9
bacterium
  • Specialized
31 5.3
virus
  • Specialized
857 3.2

Surface Forms

bacterium singular
bacteria plural

Etymology

The word bacterium comes from the Greek word bakterion, which means 'small rod' or 'staff', because many bacteria look like tiny rods under a microscope. So a bacterium is a very small living thing you can only see with a microscope, and you may know the plural bacteria.