Definition from Wiktionary, the free dictionary
- The total extinction of the human species as a result of human action. Most commonly it refers to human extinction through nuclear warfare, but it can also refer to such extinction through other means such as global anthropogenic ecological catastrophe.
- Somerville, John. 1981. Soviet Marxism and nuclear war : an international debate : from the proceedings of the special colloquium of the XVth World Congress of Philosophy. Greenwood Press. Pg.151
- Goodman, Lisl Marburg and Lee Ann Hoff. 1990. Omnicide: The Nuclear Dilemma. New York: Praeger.
- Landes, Daniel (ed.). 1991. Confronting Omnicide: Jewish Reflections on Weapons of Mass Destruction. Jason Aronson Publishers.