A technical property measuring the capacity or tendency of a substance to evaporate; the degree to which something readily turns into vapor.
From 'evaporative' plus the abstract noun suffix '-ity,' creating a technical term that allows quantification of evaporative properties. This is specialized scientific terminology.
In materials science and chemistry, evaporativity helps engineers choose the right liquids for different jobs—high evaporativity is bad for engine coolant but essential for perfumes!
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