The process of unrolling or unfolding something that was tightly wound or coiled together.
From Latin 'exsolvere' (ex- 'out' + solvere 'to loosen'), this term emerged in scientific contexts during the 17th century to describe the mechanical action of something unwinding itself.
This word perfectly captures what happens when a fern frond unfurls or a DNA helix unwinds—nature's way of revealing complexity hidden in a tight spiral. Scientists use it to describe geometric and biological processes that seem to magically expand from something small.
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