passivity
[ pa-siv-i-tee ]
/ pæˈsɪv ɪ ti /
noun
Also pas·sive·ness
[pas-iv-nis] /ˈpæs ɪv nɪs/.
the state or condition of being passive.
chemical inactivity, especially the resistance to corrosion of certain metals when covered with a coherent oxide layer.