inert

Definitions

General Science

  • adjective referring to a chemical substance or gas that does not react with other chemicals

Cars & Driving

  • adjective lacking a chemical action; property of the separators used between the plates of a battery

Construction

  • Resistant to motion or action.

Food

  • adjective not active or not producing a chemical reaction

Medical

  • adjective not moving
http://www.dictionarycentral.com/definition/inert.html