D defs.my
Entry 3 senses Webster, 1913

Passivity

/pəs-ĭv'-ĭt-ē/ · Pas·siv·i·ty · IPA /pæˈsɪvɪti/
01 n. Passiveness; -- opposed to activity.
  1. 1.
    Passiveness; -- opposed to activity.
  2. 2.
    The tendency of a body to remain in a given state, either of motion or rest, till disturbed by another body; inertia.(Physics)
  3. 3.
    The quality or condition of any substance which has no inclination to chemical activity; inactivity.(Chem.)