helicoid


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Related to helicoid: Catenoid, helicoid cyme

spiral

 [spi´ral]
1. winding like the thread of a screw; called also helical.
2. a winding structure; see also coil and helix.
Curschmann's s's coiled fibrils of mucin sometimes found in the sputum of patients with asthma. See also Laënnec's pearls.

hel·i·coid

(hel'i-koyd),
Resembling a helix.
Synonym(s): helical (2)
[G. helix, a coil, + eidos, resemblance]

hel·i·coid

(hel'i-koyd)
Resembling a helix.
Synonym(s): helical (2) .
[G. helix, a coil, + eidos, resemblance]

helicoid

coiled; spiral.
References in periodicals archive ?
The cylindrical worm having the flanks helical surfaces of the type of Archimedes helicoid is named Archimedes worm or A worm.
For centuries, the plane and the helicoid were the only known examples of infinite, unbounded minimal surfaces that don't fold back to intersect themselves.
A roof prism design, it sports central focusing, click stops on the eyepiece diopter, and helicoid eyecups.
The problem is that the compound is deposited on the extruder side of the helicoid and must flow around it before adhering to the substrate.
Magnifiers are available in 7x and 10x powers; they incorporate a four element achromatic color-corrected lens system and an adjustable helicoid focusing ring.
The helicoid design incorporated in the GENCA crosshead provides a balanced flow of the extrudate, which is distributed evenly over the core or mandrel.
A group of mathematicians discovered a new minimal surface having the same basic properties as the helicoid (142:276).
5 ft to infinity Eyepiece ring 4-position Helicoid type Body color Green Height x Width 5.
The helicoid, resembling a spiral slide of infinite length, serves as an example of a minimal surface.
For example, that with a group of 20 heavily armed commandos I took the DISIP fortress at the Helicoid by force.
Until the work of Hoffman and Meeks, the plane, catenoid and helicoid (imagine a soap film stretching along the curves of an infinitely long helix or spiral) were the only known examples of complete, embedded, minimal surfaces of finite topology.
Van de Woestyne, A new characterization of the helicoids, Geometry and Topology of Submanifolds V.