The quality of being capable of being extracted, an alternative form of extractability.
A variant form using the suffix '-ibility' instead of '-ability,' both derived from Latin meaning 'capable of.' Both forms were used in the 19th century, with 'extractability' becoming more standard.
This is a perfect example of how English gave writers multiple acceptable ways to say similar things—'extractability' and 'extractibility' mean the same thing, but the modern trend favors the -ability version!
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