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.
Slang Meanings