The singular of bacteria.

The singular form of the word bacteria; a tiny, microscopic organism only made up of one cell.

Plural: Bacteria Unicellular microscopic organisms, some of which cause disease

c. 1848, singular of bacteria (q.v.).

/bækˈtirijəm/ noun plural bacteria /-ˈtirijə/ /bækˈtirijə/ bacterium /bækˈtirijəm/ noun plural bacteria /-ˈtirijə/ /bækˈtirijə/ Learner's definition of BACTERIUM [count] : any one of a group [..]

a single-celled microscopic organism with cell walls and no chlorophyll; a bacterium reproduces by fission

A single-celled microscopic organism having a cell wall but no chlorophyll. They reproduce by cell division.

A single-celled, microscopic, plantlike organism that lacks a nucleus. Most bacteria obtain their nitrogen and energy from organic matter; some bacteria cause plant or animal diseases.

n. A microbe.

A program that attempts to propagate itself by e-mailing a copy of itself to e-mail addresses found on a recipient's hard drive. This is done without the consent or knowledge of the recipient. Note: In many cases, this type of program does not attempt to cause any direct damage to user's system, but rather attempts to overload the e-mail [..]

refers to a unicellular, prokaryotic microorganism. This is an organism whose chromosome is not help in a nuclear envelope. Bacteria are considered to represent an earlier stage in the evolution of li [..]

A tiny, single-celled micro-organism, commonly known as a germ; some bacteria, called pathogens, cause disease

(pl. bacteria) a prokaryotic (q.v.) cell with chromosomes not enclosed in a nuclear membrane. Chemoautotrophs

a unicellular microorganism lacking chlorophyll and visible only under a microscope. Bacteria do not belong to either the plant or the animal kingdom.

One of the three domains of life, bacteria are single-celled prokaryotic organisms.

Singular of bacteria.

(n) (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxono [..]

  A single celled microorganism that mutiplies by cell division; they may be motile or nonmotile, and some may cause diseases in human beings.

N bacterium

Bacteria are single-cell organisms. They are neither animals, plants nor fungi but belong in a group all of their own. They are not the same as viruses which are considerably smaller and simpler struc [..]

A single-celled microorganism. Bacteria occur naturally almost everywhere on earth, including in humans. Some bacteria can cause disease in humans. People with weakened immune systems, including people with HIV, are at a higher risk for bacterial infections than people with healthy immune systems.

A microscopic, single-celled organism that may cause disease or may be a harmless, or even helpful, part of an animal's normal internal or external environment.

Any of a large group of microscopic organisms with a very simple cell structure. Some manufacture their own food, some live as parasites on other organisms, and some live on decaying matter.

Any of a large group of microscopic organisms having round, rod-shaped, spiral, or filamentous unicellular or noncellular bodies that are often aggregated into colonies, are enclosed by a cell wall or [..]

Microscopic one-celled organism. Cell type lacks a distinct nucleus, sexual recombination, and chlorophyll. It does have cell walls and DNA.

a single-celled germ that can cause disease

 Bacteria in the blood. Bacilluria:    

(plural: bacteria) unicellular microscopic prokaryote, also called moneran banded iron formation (BIF)

A class of microorganisms that are made of a single cell with a certain structure. While many bacteria are beneficial, some bacteria can cause disease. (plural, bacteria)

An individual cell or singular of bacteria

A single-celled microscopic organism having a cell wall but no chlorophyll. They reproduce by cell division.

A microscopic organism composed of a single cell.

(microbiology) A single celled organism with cell walls but no nucleus or organelles. *is the singular form of the noun, andthe plural form. This is in accord with the word's Latin etymology. Howev [..]

A bacterium is a single bacteria.