Organism

/ˈɔːrɡənɪzəm/

Meaning & Definition

noun
A living entity consisting of one or more cells that is capable of growth, reproduction, and responding to stimuli.
A bacterium is a single-celled organism.
Any living thing, including animals, plants, fungi, and microorganisms.
The rainforest is home to millions of different organisms.
An individual form of life.
Each organism plays a role in its ecosystem.
Any complex structure or system resembling a living thing.
The city can be viewed as an organism with its own set of functions.

Etymology

From the Greek 'organismos', meaning 'instrument, tool, or organ'.

Common Phrases and Expressions

single-celled organism
An organism made up of only one cell.
multicellular organism
An organism composed of many cells.
living organism
Any living being that has life.

Related Words

microorganism
An organism that is microscopic, such as bacteria.
multicellular
Organisms made up of multiple cells.
autotroph
An organism capable of synthesizing its own food from inorganic substances.

Slang Meanings