Meaning & use
symbiosis
A close, long-term relationship between two different organisms, typically benefiting at least one of them.
See it in a sentence
The clownfish and the anemone live in a symbiosis that protects both from predators.
Biologists study symbiosis to understand how different species evolve together.
A note on using this word
Outside biology, "symbiosis" is often used loosely for any mutually beneficial partnership.
Words with a similar meaning
interdependencemutualism
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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