The process of making something compact; in topology and physics, the mathematical process of creating a compact space.
From 'compact' + '-ification' (suffix denoting making or becoming). A technical term from mathematics and theoretical physics, emerging in the 20th century to describe space transformation.
Compactification in string theory is mind-bending: physicists propose that extra dimensions exist but are 'compactified' so tightly they're invisible—imagine infinite space folded into something microscopic, which is exactly what they mean mathematically!
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