helical spiral

См. также в других словарях:

• coiling helical spiral spiraling volute voluted whorled — coiled coiled (koild), adj. curled or wound especially in concentric rings or spirals; as, a coiled snake ready to strike; the rope lay coiled on the deck. Opposite of {uncoiled}. Note: [Narrower terms: {coiling, helical, spiral, spiraling,… …   The Collaborative International Dictionary of English

• helical — spiral shaped, 1590s, from L. helicem (see HELIX (Cf. helix)) + AL (Cf. al) (1) …   Etymology dictionary

• Spiral separator — A spiral separator is a device to separate solid components in a slurry, based upon a combination of the solid particle density as well as it s the particle s hydrodynamic properties (e.g. drag). The device consists of a tower, around which is… …   Wikipedia

• Spiral computed tomography — Diagnostics MeSH D036542 Spiral computed tomography is a computed tomography,[1] technology involving movement in a spiral …   Wikipedia

• Helical cone beam computed tomography — Helical (or spiral) cone beam computed tomography is a type of three dimensional computed tomography (CT) in which the source (usually of x rays) describes a helical trajectory relative to the object while a two dimensional array of detectors… …   Wikipedia

• 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