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deltoid |
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deltoid [′del‚tȯid] (anatomy) The large triangular shoulder muscle; originates on the pectoral girdle and inserts on the humerus. (biology) Triangular in shape. (mathematics) The plane curve traced by a point on a circle while the circle rolls along the inside of another circle whose radius is three times as great. A concave quadrilateral with two pairs of adjacent equal sides. Also known as Steiner's hypocycloid tricuspid. 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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