Inert

Inert may refer to:Chemically inert, not chemically reactive Inert gas Noble gas, historically called inert gas Inert knowledge, information which one can express but not use Inert ingredient, a component of the excipient of a pharmaceutical drug Inert munition, a round that does not contain any energetic material Inert prime, a type of behaviour of a prime under an algebraic extension Inert waste, waste which is neither chemically nor biologically reactive and will not decompose Read more on Wikipedia