Additive Effect 1 : Biology. A biologic response to exposure to multiple substances that equals the sum of responses of all the individual substances added together [compare with?antagonistic effect?and?synergistic effect]
Agency for Toxic Substances and Disease Registry, Centers for Disease Control and Prevention, Glossary of Terms, Atlanta, GA, USA 2009. http://www.atsdr.cdc.gov/glossary.html, (Tox - Amer) {788}