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antibiosis

(-bī ō′sis)

noun

Biol. an association between organisms that is harmful to one of them, as a fungus producing an antibiotic that inhibits neighboring bacteria

Origin: ModL < anti- + -biosis

See antibiosis in American Heritage Dictionary 4

noun

An association between two or more organisms that is detrimental to at least one of them.
The antagonistic association between an organism and the metabolic substances produced by another.

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