The property of being able to flow or melt readily; the condition of being fluxile.
From 'fluxile' + suffix '-ity' (forming nouns of quality/state). A technical term from materials science and geology describing how readily substances can flow.
Chocolate makers carefully control fluxility—just the right amount of cocoa butter makes chocolate flow smoothly into molds, but change it slightly and it becomes grainy or brittle.
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