helix


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helix
in a right circular cylinder

he·lix

 (hē′lĭks)
n. pl. he·lix·es or hel·i·ces (hĕl′ĭ-sēz′, hē′lĭ-)
1. Mathematics A three-dimensional curve that lies on a cylinder or cone, so that its angle to a plane perpendicular to the axis is constant.
2. A spiral form or structure.
3. Anatomy The folded rim of skin and cartilage around most of the outer ear.
4. Architecture A volute on a Corinthian or Ionic capital.
v. he·lixed, he·lix·ing, he·lix·es
v.tr.
To move or position (something) into the shape of a helix.
v.intr.
1. To have the shape of a helix.
2. To move along a helical course; spiral.

[Latin, from Greek; see wel- in Indo-European roots.]

helix

(ˈhiːlɪks)
n, pl helices (ˈhɛlɪˌsiːz) or helixes
1. (Mathematics) a curve that lies on a cylinder or cone, at a constant angle to the line segments making up the surface; spiral
2. a spiral shape or form
3. (Anatomy) the incurving fold that forms the margin of the external ear
4. (Architecture) another name for volute2
5. (Animals) any terrestrial gastropod mollusc of the genus Helix, which includes the garden snail (H. aspersa)
[C16: from Latin, from Greek: spiral; probably related to Greek helissein to twist]

he•lix

(ˈhi lɪks)

n., pl. hel•i•ces (ˈhɛl əˌsiz)
he•lix•es.
1. a spiral.
2. the curve formed by a straight line drawn on a plane when that plane is wrapped around a cylindrical surface, esp. a right circular cylinder, as the curve of a screw.
3. a spiral, scroll-like architectural ornament, as a volute on a Corinthian capital.
4. the curved fold forming most of the rim of the external ear.
[1555–65; < Latin: a spiral, a kind of ivy < Greek hélix anything twisted]

he·lix

(hē′lĭks)
1. A three-dimensional spiral curve. In mathematical terms, a helix can be described as a curve turning about an axis on the surface of a cylinder or cone while rising at a constant upward angle from a base.
2. Something, such as a strand of DNA, having a spiral shape.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.helix - a curve that lies on the surface of a cylinder or cone and cuts the element at a constant anglehelix - a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
curve, curved shape - the trace of a point whose direction of motion changes
double helix - a pair of parallel helices intertwined about a common axis; "the shape of the DNA molecule is a double helix"
2.helix - a structure consisting of something wound in a continuous series of loopshelix - a structure consisting of something wound in a continuous series of loops; "a coil of rope"
hank - a coil of rope or wool or yarn
structure, construction - a thing constructed; a complex entity constructed of many parts; "the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons"
3.Helix - type genus of the family Helicidae
mollusk genus - a genus of mollusks
family Helicidae, Helicidae - land snails including the common edible snail and some pests
edible snail, Helix pomatia - one of the chief edible snails
garden snail - any of several inedible snails of the genus Helix; often destructive pests
brown snail, Helix aspersa - serious garden pest having a brown shell with paler zigzag markings; nearly cosmopolitan in distribution
Helix hortensis - a kind of garden snail

helix

noun spiral, twist, curl, loop, coil, corkscrew, gyre (literary), curlicue, volute (technical) Coil the fibre into a helix.
Translations

helix

[ˈhiːlɪks] N (helixes or helices (pl)) [ˈhɛlɪˌsiːz]hélice f

helix

[ˈhiːlɪks] nspirale f

helix

n(räumliche) Spirale, Helix f

helix

[ˈhiːlɪks] (helices or helixes (pl)) [ˈhɛlɪˌsiːz] nelica

helix

n hélice f; double — doble héli-ce
References in classic literature ?
And I found that several species did in this state withstand uninjured an immersion in sea-water during seven days: one of these shells was the Helix pomatia, and after it had again hybernated I put it in sea-water for twenty days, and it perfectly recovered.
Of land-shells I collected sixteen kinds (and two marked varieties, of which, with the exception of one Helix found at Tahiti, all are peculiar to this archipelago: a single fresh-water shell (Paludina) is common to Tahiti and Van Diemen's Land.
Utilizing laser alignment technology, The Helix makes it easy to take advantage of production time.
Its quickly touching all areas of our lives, from family planning to nutrition to ancestry, said Robin Thurston, CEO of Helix.
Helix BioPharma Corporation (TSX: HBP) (FRANKFURT: HBP), a biopharmaceutical company developing innovative drug candidates for the prevention and treatment of cancer, announced yesterday that it has named Dr Sven Rohmann as chief executive officer of Helix BioPharma Corp and chairman of Helix Polska, effective immediately.
The deal to deliver support structures and deck equipment for well intervention vessels is the latest in a string of work between Northumberlandbased OSBIT and Helix.
This acquisition is a strategic expansion of our successful HelixMark silicone tubing product line," said Mark Ostwald, vice president and general manager of Helix Medical.
So far, several methods have been proposed to improve the heat dissipation capability of the helix SWS, such as by increasing the contact area at helix-rod interface [5, 6] and rod-shell interface [7], by using Diamond rod [8], by using appropriate assemble methods [9-14].
In order to improve the heat dissipation capability of the millimeter-wave helix TWT, Diamond support rod [13,14], brazed-helix technology [15-19] have been used for high power millimeter-wave TWT.
Paul Addison said: "We are very pleased to have been able to secure the future of the Helix business.
According to Helix Wind CEO Ian Gardner, 'The small-wind industry has grappled with the problem of grossly overstated output claims, this test demonstrates that Helix Wind turbines will produce what we say they will.
By leveraging field proven ALEOS intelligence, Helix routers combine extensive routing capabilities and security features with an easy-to-use interface and comprehensive remote management.