The quality or degree to which something can be made compact or compressed into a smaller space.
From 'compact' (from Latin 'compactus,' past participle of 'compingere' meaning 'to fasten together') + '-ability' (a suffix forming nouns from adjectives). This technical term emerged in engineering and materials science.
Compactability is crucial in waste management and space travel—engineers obsess over it because the difference between a trash compactor that reduces volume by 50% versus 80% saves cities millions in landfill costs annually.
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