spiral

• a structure consisting of something wound in a continuous series of loops
• to wind or move in a spiral course
• in the shape of a coil
• move in a spiral or zigzag course
• a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
• a plane curve traced by a point circling about the center but at increasing distances from the center
• a continuously accelerating change in the economy
• ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center
• flying downward in a helical path with a large radius
• form a spiral
• Winding or circling round a center or pole and gradually receding from it
• Winding round a cylinder or imaginary axis, and at the same time rising or advancing forward
• A plane curve, not reentrant, described by a point, called the generatrix, moving along a straight line according to a mathematical law, while the line is revolving about a fixed point called the pole. Cf. Helix
• Anything which has a spiral form, as a spiral shell

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