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bacteria

bacteria

281 2.9
Very small living things made of one cell that live almost everywhere
  • noun
  • /bækˈtɪəriə/
  • Specialized
translation icon : bacteria
  • Cavities are caused by bacteria that feed on sugar.
  • pathogenic bacteria
  • coliform bacteria
  • spoilage bacteria

And that's just a lack of good bacteria in babies guts.

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Examples

  • Your cells react to bacteria and viruses differently than mine.

  • Frequent cleaning of blades will prevent wear and accumulation of bacteria.

  • As you can see, our bacteria has a cell wall.

  • Makes it hard for bacteria to grow.

  • At that point, there may not even be bacteria left.

  • Your mouth is filled with bacteria, and it's open to the world.

  • As plankton die and settle to the bay bottom, bacteria thrive, thus consuming oxygen.

    Academic text (1992)
  • Cavities are caused by bacteria that feed on sugar.

  • Your mouth is filled with bacteria, and it's open to the world.

  • Frequent cleaning of blades will prevent wear and accumulation of bacteria.

Synonyms

germ
vsbacteria
138 1.0

A tiny living thing that can make people ill

is broader and includes helpful single-celled life used in fermentation and decomposition
microbe
vsbacteria
62 5.1

A very small living thing, like a bacterium, that can cause disease

is a specific single-celled organism lacking a nucleus with varied roles

Compounds

6.2

Bacteria that make hard sleeping forms to survive very bad conditions

enteric bacteria
  • Specialized
5.9

Small germs that live in the intestines and often help digestion or sometimes cause infections

bacteria bed
  • Specialized
6.5

A layer of sand or gravel in a sewage plant where tiny living things break down waste

bacteria family
  • Specialized
5.3

A group of related bacteria types that share similar genes

gliding bacteria
  • Specialized
7.1

Tiny living cells that move smoothly over wet surfaces using slime, often in soil or decaying plants

nitric bacteria
  • Specialized
6.6

Bacteria in soil that change nitrites into nitrates and help plants grow

nitrous bacteria
  • Specialized
7.8

Soil bacteria that change ammonia into nitrite to help make nutrients for plants

purple bacteria
  • Specialized
6.1

Small living things that use light to make energy, look pink or purple, and live where there is little oxygen

pus-forming bacteria
  • Specialized
6.5

A type of bacteria that causes infection and makes pus in wounds

ring rot bacteria
  • Specialized
6.5

Bacteria that cause a disease making crops like potatoes and tomatoes go soft and brown

Bacteria that penicillin does not kill and that keep growing

phototrophic bacteria
  • Specialized
7.2

Bacteria that get energy from sunlight and use carbon dioxide or organic matter to grow

phototropic bacteria
  • Specialized
6.5

Bacteria that use sunlight to make food from carbon dioxide or organic matter

potato scab bacteria
  • Specialized
5.1

Germs that make brown rough patches on potatoes

sulfur bacteria
  • Specialized
5.4

Bacteria that get energy by changing sulfur or its compounds

true bacteria
  • Specialized
4.2

A major group of bacteria with firm cell walls, including common kinds that cause disease

slime bacteria
  • Specialized
7.9

Tiny living things that form slimy colonies in damp soil or rotting plants

Surface Forms

bacteria plural
bacterium singular

Etymology

Bacteria comes from the Greek word bakterion, which means 'small staff' or 'rod'. Early scientists used this name because they saw many tiny cells that looked like little rods, so bacteria now means tiny single-celled living things.