protectivity en · NOUN
Etymology
From protective + -ity.
Meanings
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(uncountable) The state, quality, or condition of being protective.
...product barriers on the surfaces of alloys and then examining the protectivity of such barriers.
1977, National Research Council (U.S.). Committee on Conservation of Materials in Energy Systems through the Reduction of Erosion, Erosion control in energy systems: report of Committee on Conservation of Materials in Energy Systems through the Reduction of Erosion, National Materials Advisory Board, Commission on Sociotechnical Systems, National Research Council, page 136: