se·​lec·​tiv·​i·​ty sə-ˌlek-ˈtiv-ət-ē, ˌsē- How to pronounce selectivity (audio)
plural selectivities
: the quality, state, or degree of being selective
porous materials … fixed in both pore size and selectivityElizabeth Wilson

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“Selectivity.” Medical Dictionary, Merriam-Webster, Accessed 1 Feb. 2023.

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