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.

Origin of passivity

First recorded in 1650–60; passive + -ity Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for passivity

Contemporary Examples of passivity

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Word Origin and History for passivity

1650s, from passive + -ity.

Online Etymology Dictionary, © 2010 Douglas Harper