helicoid spiral

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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 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 — [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

• spiral — [adj] curling, winding circling, circular, circumvoluted, cochlear, coiled, corkscrew, curled, helical, helicoid, radial, rolled, screwshaped, scrolled, tendrillar, tortile, voluted, whorled, wound; concept 486 Ant. straight, uncurling, unwinding …   New thesaurus

• 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

• spiral — Synonyms and related words: Milky Way, O shaped, Via Lactea, acrobatics, aerobatics, ambagious, anfractuous, arise, ascend, aspire, backhanded, bank, banking, barred spiral, barred spiral galaxy, become airborne, chandelle, circle, circling,… …   Moby Thesaurus

• spiral — 1. adjective a spiral column of smoke Syn: coiled, helical, corkscrew, curling, winding, twisting, whorled; technical voluted, helicoid, helicoidal 2. noun a spiral of smoke Syn: coil, helix, corkscrew, curl …   Thesaurus of popular words

• 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 — helicoidal, adj. helicoidally, adv. /hel i koyd , hee li /, adj. 1. coiled or curving like a spiral. n. 2. Geom. a warped surface generated by a straight line moving so as to cut or touch a fixed helix. [1690 1700; < Gk helikoeidés of spiral form …   Universalium

• helicoid — Resembling a helix. SYN: helical (2). [G. helix, a coil, + eidos, resemblance] * * * he·li·coid hel ə .kȯid, hē lə or he·li·coi·dal .hel ə kȯid əl, .hē lə adj 1) forming or arranged in a spiral 2) having the form of a flat coil or flattened… …   Medical dictionary

• helicoid — /ˈhɛləkɔɪd/ (say heluhkoyd) adjective 1. coiled or curving like a helix; spiral. –noun 2. Geometry a warped surface generated by a straight line so moving as always to cut or touch a fixed helix. {Greek helikoeidēs of spiral form} –helicoidal… …