passivity
Pas*siv"i*ty, n. Etym: [Cf. F. passivité.] 1. Passiveness; -- opposed to activity. Jer. Taylor. 2. (Physics) Defn: The tendency of a body to remain in a given state, either of motion or rest, till disturbed by another body; inertia. Cheyne. 3. (Chem.) Defn: The quality or condition of any substance which has no inclination to chemical activity; inactivity.