The capacity or quality of a substance to be capable of forming crystals; the degree to which something can crystallize.
From crystallize (American) + -ability (suffix meaning capability). American spelling variant of 'crystallisability' using 'z' instead of 's'.
Different salts have wildly different crystallizability—table salt crystallizes instantly, but if you dissolve Epsom salt in boiling water, you have to cool it slowly to get nice needle crystals.
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