Synergistic Effect 1
Synergistic Effect 1 : (a) A synergistic effect is the any effect of two chemicals acting together which is greater than the simple sum of their effects when acting alone: such chemicals are said to show synergism. [Duffus, 2000: Univ. Edinburgh Med School On-line Chemical Safety Glossary]; (b) Joint effects of two or more agents, such as drugs that increase each other's effectiveness when taken together. [SRA, 1999: Glossary of Risk Analysis Terms] [USDOE, 2000: RAIS Glossary]