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noun

organism

/ˈɔːɹɡənɪzəm/  ·  say it: OR·guh·niz·um

an individual living thing

In Science & Nature

In more detail

1. (noun) a living thing, such as a plant or animal

2. (noun) a system or group of things that work together like a living body

Examples

How to use organism

Organism is a formal, scientific term for any individual living thing, ranging from bacteria to humans. It can also be used metaphorically to describe any system with interdependent parts that function as a unified whole, such as a social organism or political organism. The term is neutral and common in both biological contexts and abstract discussions of complex systems.

Register: formal

Common phrases

Synonyms

living thing · creature · life form · being · entity

Word family

organic · organism · organismal · organise/organize

A common mistake

Learners sometimes use organism to refer only to animals, forgetting that plants, fungi, and microorganisms are also organisms.

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