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involute |
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involute 1. Botany (esp of petals, leaves, etc., in bud) having margins that are rolled inwards 2. (of certain shells) closely coiled so that the axis is obscured 3. Geometry the curve described by the free end of a thread as it is wound around another curve, the evolute, such that its normals are tangential to the evolute involute [¦in·və¦lüt] (biology) Being coiled, curled, or rolled in at the edge. (mathematics) A curve produced by any point of a perfectly flexible inextensible thread that is kept taut as it is wound upon or unwound from another curve. A curve that lies on the tangent surface of a given space curve and is orthogonal to the tangents to the given curve. A surface for which a given surface is one of the two surfaces of center. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Fistulas form when the mesenchyme separating the cleft and pouch involutes and the cleft and pouch unite. These experiments have demonstrated that brown fat in the rat involutes with the onset of maturity. |
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