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Spiral
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<p>In <a href="/facts/Mathematics/pxTouaz4">mathematics</a>, a spiral is a <a href="/facts/Curve/xBQ0pTBW">curve</a> which emanates from a point, moving further away as it revolves around the point. It is a subtype of <a href="/facts/Whorl/v0cmNUew">whorled</a> patterns, a broad group that also includes <a href="/facts/Concentric_objects/xR1I5N8y">concentric objects</a>. </p>