Meaning & Definition of word "Organism"

Organism

/ˈɔːrɡənɪzəm/

noun:

  • 1. A living entity consisting of one or more cells that is capable of growth, reproduction, and responding to stimuli.
    • Example: A bacterium is a single-celled organism.
  • 2. Any living thing, including animals, plants, fungi, and microorganisms.
    • Example: The rainforest is home to millions of different organisms.
  • 3. An individual form of life.
    • Example: Each organism plays a role in its ecosystem.
  • 4. Any complex structure or system resembling a living thing.
    • Example: 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 of organism