symbiosis
Say it: sim-bee-OH-sis /ˌsɪmbaɪˈəʊsɪs/ · noun
What “symbiosis” means
Living closely together in a way that helps both.
More precisely: A close relationship between two different organisms, or people or groups, that benefits both.
When to use it
In biology or everyday discussion, for a close partnership where each side gains something useful from the other.
Memory trick
Greek sumbiōsis means living together: picture two neighbours helping each other.
Similar words
mutualism, partnership, interdependence
Where it comes from
From Greek sumbiōsis, 'living together'.
Quick check
A small fish eats parasites from a larger fish, getting food while keeping its neighbour clean. Their relationship is…
competition or symbiosis?
Show the answer
symbiosis
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