bacteria

Etymology 1
Irregular plural of from, from , little rod.

Noun

 * 1)  A type, species, or strain of bacterium.
 * 2)  Lowlife, slob (could be treated as plural or singular).
 * 1)  Lowlife, slob (could be treated as plural or singular).
 * 1)  Lowlife, slob (could be treated as plural or singular).

Usage notes

 * This is the plural form of the word. While it is often used as if it were singular (as a collective noun), this is considered nonstandard by some in the US and more elsewhere. See the usage examples under.

Etymology 2
From, from.

Noun

 * 1)  An oval bacterium, as distinguished from a spherical coccus or rod-shaped bacillus.

Noun

 * 1) bacterium

Etymology
, plural of, from , little rod.

Noun

 * 1) bacterium

Etymology
From, plural of , from.

Noun

 * 1) bacteria