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.
Helix has a measurable amount of experience buying, selling, renovating and renting homes.
The registration was driven by a customer who approached us with the need to manufacture a new product requiring FDA registration," said Steve Gilder, director of quality at Helix Medical Baldwin Park.
Nasdaq: RNWK) today announced a new version of Helix Producer, part of the Helix Media Delivery Platform, that includes IP ingest, as well as batch encoding, logo and text overlay and rolling archives.
has executed a definitive purchase agreement with Helix Wind Inc.
Grower satisfaction and demand for the Helix brands has always remained strong.
At a distance of 650 light-years, Helix is one of the closest known planetary nebulae.
But the group backed down after learning a larger Helix Electric contract already had been approved by the commission and had not been challenged by the council.
Helix is headquartered in Houston, Texas and employs about 1,600 people.
Helix Swarm easily integrates with other Perforce Helix products already available in Korean and Simplified Chinese languages
With the new Helix Multi-Track capabilities organizations are now able to use the Helix Universal Media Server to stream live and on-demand video with multiple language feeds.