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English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
Spiral — Spi ral, a. [Cf. F. spiral. See {Spire} a winding line.] 1. Winding or circling round a center or pole and gradually receding from it; as, the spiral curve of a watch spring. [1913 Webster] 2. Winding round a cylinder or imaginary axis, and at… … The Collaborative International Dictionary of English
Spiral gear — Spiral Spi ral, a. [Cf. F. spiral. See {Spire} a winding line.] 1. Winding or circling round a center or pole and gradually receding from it; as, the spiral curve of a watch spring. [1913 Webster] 2. Winding round a cylinder or imaginary axis,… … The Collaborative International Dictionary of English
Spiral gearing — Spiral Spi ral, a. [Cf. F. spiral. See {Spire} a winding line.] 1. Winding or circling round a center or pole and gradually receding from it; as, the spiral curve of a watch spring. [1913 Webster] 2. Winding round a cylinder or imaginary axis,… … The Collaborative International Dictionary of English
Spiral operculum — Spiral Spi ral, a. [Cf. F. spiral. See {Spire} a winding line.] 1. Winding or circling round a center or pole and gradually receding from it; as, the spiral curve of a watch spring. [1913 Webster] 2. Winding round a cylinder or imaginary axis,… … The Collaborative International Dictionary of English
Spiral shell — Spiral Spi ral, a. [Cf. F. spiral. See {Spire} a winding line.] 1. Winding or circling round a center or pole and gradually receding from it; as, the spiral curve of a watch spring. [1913 Webster] 2. Winding round a cylinder or imaginary axis,… … The Collaborative International Dictionary of English
Spiral spring — Spiral Spi ral, a. [Cf. F. spiral. See {Spire} a winding line.] 1. Winding or circling round a center or pole and gradually receding from it; as, the spiral curve of a watch spring. [1913 Webster] 2. Winding round a cylinder or imaginary axis,… … The Collaborative International Dictionary of English
Spiral wheel — Spiral Spi ral, a. [Cf. F. spiral. See {Spire} a winding line.] 1. Winding or circling round a center or pole and gradually receding from it; as, the spiral curve of a watch spring. [1913 Webster] 2. Winding round a cylinder or imaginary axis,… … The Collaborative International Dictionary of English
Spiral (railway) — A spiral (sometimes called a spiral loop or just loop) is a technique employed by railways to ascend steep hills.A railway spiral rises on a steady curve until it has completed a 360 degree loop, passing over itself as it gains height, allowing… … Wikipedia
Spiral axis — Axis Ax is, n.; pl. {Axes}. [L. axis axis, axle. See {Axle}.] A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are… … The Collaborative International Dictionary of English
spiral — A term introduced in or shortly before 1928 by the German American biological psychologist and philosopher Heinrich Klüver (1897 1979) to denote one of the four *form constants of * geometric visual hallucinations which may occur during the… … Dictionary of Hallucinations
spiral bevel gear — noun : a bevel gear in which the tooth elements are curved lines (as helical lines) * * * Mach. a bevel gear having curved teeth tending to converge on the axis of rotation. Also called spiral gear. [1930 35] … Useful english dictionary