microorganism

Plural: microorganisms

Noun

any organism of microscopic size
An organism that is too small to be seen by the unaided eye; especially, a single-celled organism, such as a bacterium.

Examples

The cud is then reswallowed and further digested by specialized microorganisms that live in the rumen.

Origin / Etymology

From micro- + organism.

Synonyms

micro-organism, microbe, microorganism

Scrabble Score: 0

microorganism: not valid in Scrabble (US) TWL Dictionary
microorganism: not valid in Scrabble (MW) Merriam-Webster Dictionary
microorganism: not valid in International Collins CSW Dictionary

Words With Friends Score: 0

microorganism: not valid in Words With Friends