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-ergic

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a combining form with the meanings “activated by,” “sensitive to,” “releasing,” “resembling the effect produced by” the substance or phenomenon specified by the initial element: dopaminergic.
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Which form is used to state an obligation or duty someone has?

Origin of -ergic

Apparently originally in adrenergic and cholinergic, probably on the model of allergic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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