1. The act of exterminating; total destruction; extirpation.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• expermination,
• exemination,
• expermintation,
• extermenation,
• etermination,
• extermiation,
• exterminaton,
• extremination,
• exterimnation,
• extermintaion,
• exterminition,
• exterminetion,
• ecfemination,
• excercitation,
• Inturmination,
• rergermination,
• extermintation,
• extermminiation,
• extirmination,
• Exterpiration

• exteriorize,
• exterminated,
• exothermic,
• exteroception,
• exterminator,
• examination,
• exterminable,
• Exterminating,
• exteriorise,
• externalisation,
• exteriorisation,
• externalization,
• exterminate,
• exteriorization.

The adjective form of the word "extermination" is "exterminatory".

The plural of the "extermination" can be the "exterminations".

The singular of the "extermination" can be the "extermination".