In chemotherapy, a drug used in combination with other drugs to produce deliberate potentiation.

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po·ten·ti·a·tor -.āt-ər n a chemical agent or drug that potentiates something (as another drug)

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po·ten·ti·a·tor (po-tenґshe-a-tər) an agent that enhances another agent so that the combined effect is greater than the sum of the effects of each one alone.

Medical dictionary. 2011.

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