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schooner rig
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Schottky defect
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Schrödinger equation
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sciatica

sci·at·i·ca [ sī áttikə ]


noun 
Definition:
 
pain in hip and leg: pain and tenderness extending from the back of the hip down to the calf, usually caused by a protrusion of vertebral disk substance pressing on the roots of the sciatic nerve

[15th century. < medieval Latin, form of sciaticus (see sciatic)]
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