The quality or state of being able to be erased, removed, or eliminated.
From 'erase' (from Latin 'eradere,' combining 'e-' out + 'radere' scrape) + '-ability' (suffix from Latin '-abilitas' meaning capable of). This modern noun emerged in the 20th century as abstract nouns for product qualities became common.
The whole marketing concept of 'erasability' exploded when pencil erasers became a thing in the 1800s—before that, pencil mistakes were pretty permanent, and suddenly the idea that you could fix writing errors became a selling point that changed education forever!
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