Coordinated or correlated action of two or more structures, agents, or physiologic processes so that the combined action is greater than the sum of each acting separately. Cf.:antagonism. SYN: synergia, synergistic effect, synergy. [G. synergia, fr. syn, together, + ergon, work]
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syn·er·gism 'sin-ər-.jiz-əm n interaction of discrete agents (as drugs) such that the total effect is greater than the sum of the individual effects called also synergy compare ANTAGONISM (b)
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syn·er·gism (sinґər-jizm) synergy.Medical dictionary. 2011.