Helicoid

Helicoid
Helicoid Hel"i*coid, n. (Geom.) A warped surface which may be generated by a straight line moving in such a manner that every point of the line shall have a uniform motion in the direction of another fixed straight line, and at the same time a uniform angular motion about it. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Helicoid — Hel i*coid, a. [Gr. ?; ?, ?, spiral + ? shape: cf. F. h[ e]lico[ i]de. See {Helix}.] [1913 Webster] 1. Spiral; curved, like the spire of a univalve shell. [1913 Webster] 2. (Zo[ o]l.) Shaped like a snail shell; pertaining to the {Helicid[ae]}, or …   The Collaborative International Dictionary of English

  • helicoid — index circuitous Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • helicoid — [hel′i koid΄] adj. [Gr helikoeidēs < helix, a spiral + eidēs, OID] shaped like, or coiled in the form of, a spiral, as the shell of a snail or certain inflorescences: also helicoidal n. Geom. a surface generated by the rotation of a plane or… …   English World dictionary

  • Helicoid — A helicoid with α=1, 1≤ρ≤1 and π≤θ≤π. The helicoid, after the plane and the catenoid, is the third minimal surface to be known. It was first discovered by Jean Baptiste Meusnier in 1776. Its name derives from its similarity to the helix: for… …   Wikipedia

  • Helicoid — Eine Minimalfläche ist eine Fläche im Raum, die lokal minimalen Flächeninhalt hat. Derartige Formen nehmen beispielsweise Seifenhäute an, sofern sie nicht wie im Fall von Blasen durch eingeschlossene Luft aufgebläht werden. In mathematischer… …   Deutsch Wikipedia

  • helicoid — or helicoidal adjective Date: circa 1704 1. forming or arranged in a spiral 2. having the form of a flat coil or flattened spiral < helicoid snail shell > …   New Collegiate Dictionary

  • helicoid — [ hi:lɪkɔɪd] adjective of the form of a helix. noun a helicoid object or surface. Derivatives helicoidal adjective …   English new terms dictionary

  • Helicoid parabola — Helicoid Hel i*coid, a. [Gr. ?; ?, ?, spiral + ? shape: cf. F. h[ e]lico[ i]de. See {Helix}.] [1913 Webster] 1. Spiral; curved, like the spire of a univalve shell. [1913 Webster] 2. (Zo[ o]l.) Shaped like a snail shell; pertaining to the… …   The Collaborative International Dictionary of English

  • helicoid conveyor — sraigtinis konvejeris statusas T sritis automatika atitikmenys: angl. Archimedean screw; helical conveyor; helical screw conveyor; helicoid conveyor; screw conveyer; screw conveyor; spiral conveyor vok. Archimedesche Schraube, f; Förderschnecke,… …   Automatikos terminų žodynas

  • helicoid cyme — noun : bostryx * * * helicoid cyme noun A bostryx • • • Main Entry: ↑helix …   Useful english dictionary

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