helix

[ hee-liks ]

/ ˈhi lɪks /

SEE SYNONYMS FOR helix ON THESAURUS.COM

noun, plural hel·i·ces [hel-uh-seez], /ˈhɛl əˌsiz/, he·lix·es.

a spiral.

Geometry. the curve formed by a straight line drawn on a plane when that plane is wrapped around a cylindrical surface of any kind, especially a right circular cylinder, as the curve of a screw. Equation: x = a sinθ, y = a cosθ, z = b θ.

Architecture.

a spiral ornament.
(in a Corinthian capital) either of two scrolls issuing from a cauliculus.Compare Corinthian (def. 2).

Anatomy. the curved fold forming most of the rim of the external ear.

Biochemistry. alpha helix.

Origin of helix

1555–65; <Latin: a spiral, a kind of ivy <Greek hélix anything twisted; compare helíssein to turn, twist, roll

Words nearby helix

helistop, helium, helium flash, helium I, helium II, helix, hell, hella, hellacious, Helladic, Hellas

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for helix

Maazel writes about a soon-to-be Helix hostage, Anne-Janet, who was on “cancer furlough.”
What a Real Cult Novel Looks Like|Drew Toal|April 5, 2013|DAILY BEAST
The magnet being left in the helix, the galvanometer needle came to rest, thus showing the absence of current.
Beacon Lights of History, Volume XIV|John Lord
The helix of each ear of her child at birth was gone, for nearly or quite half an inch, as if cut purposely.
Studies in the Psychology of Sex, Volume 5 (of 6)|Havelock Ellis
It contains a helix valve (H) and the rotation of this is an indication that the air is circulating within the incubator.
Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3|Various

Even the colour of some of the land shells, as that of Helix nemoralis, is occasionally preserved.
A Manual of Elementary Geology|Charles Lyell.
The taste and smell in the Limaceans differ only very slightly from those organs in Helix.
The Ocean World:|Louis Figuier

British Dictionary definitions for helix

helix

/ (ˈhiːlɪks) /

noun plural helices (ˈhɛlɪˌsiːz) or helixes

a curve that lies on a cylinder or cone, at a constant angle to the line segments making up the surface; spiral

a spiral shape or form

the incurving fold that forms the margin of the external ear

another name for volute (def. 2)

any terrestrial gastropod mollusc of the genus Helix, which includes the garden snail (H. aspersa)

Word Origin for helix

C16: from Latin, from Greek: spiral; probably related to Greek helissein to twist

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for helix

helix

[ (hee-liks) ]

In geometry, a three-dimensional spiral shape, resembling a spring.

Medical definitions for helix

helix

[ hē′lĭks ]

n. pl. he•lix•es

A spiral form or structure.

The folded rim of skin and cartilage around most of the outer ear.

A three-dimensional curve that lies on a cylinder or cone, so that its angle to a plane perpendicular to the axis is constant.

Scientific definitions for helix

helix

[ hē′lĭks ]

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.

Something, such as a strand of DNA, having a spiral shape.

单词	helix
释义	helix [ hee-liks ] / ˈhi lɪks / SEE SYNONYMS FOR helix ON THESAURUS.COM noun, plural hel·i·ces [hel-uh-seez], /ˈhɛl əˌsiz/, he·lix·es. a spiral. Geometry. the curve formed by a straight line drawn on a plane when that plane is wrapped around a cylindrical surface of any kind, especially a right circular cylinder, as the curve of a screw. Equation: x = a sinθ, y = a cosθ, z = b θ. Architecture. a spiral ornament. (in a Corinthian capital) either of two scrolls issuing from a cauliculus.Compare Corinthian (def. 2). Anatomy. the curved fold forming most of the rim of the external ear. Biochemistry. alpha helix. Origin of helix 1555–65; <Latin: a spiral, a kind of ivy <Greek hélix anything twisted; compare helíssein to turn, twist, roll Words nearby helix helistop, helium, helium flash, helium I, helium II, helix, hell, hella, hellacious, Helladic, Hellas Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for helix Maazel writes about a soon-to-be Helix hostage, Anne-Janet, who was on “cancer furlough.” What a Real Cult Novel Looks Like\|Drew Toal\|April 5, 2013\|DAILY BEAST The magnet being left in the helix, the galvanometer needle came to rest, thus showing the absence of current. Beacon Lights of History, Volume XIV\|John Lord The helix of each ear of her child at birth was gone, for nearly or quite half an inch, as if cut purposely. Studies in the Psychology of Sex, Volume 5 (of 6)\|Havelock Ellis It contains a helix valve (H) and the rotation of this is an indication that the air is circulating within the incubator. Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3\|Various Even the colour of some of the land shells, as that of Helix nemoralis, is occasionally preserved. A Manual of Elementary Geology\|Charles Lyell. The taste and smell in the Limaceans differ only very slightly from those organs in Helix. The Ocean World:\|Louis Figuier British Dictionary definitions for helix helix / (ˈhiːlɪks) / noun plural helices (ˈhɛlɪˌsiːz) or helixes a curve that lies on a cylinder or cone, at a constant angle to the line segments making up the surface; spiral a spiral shape or form the incurving fold that forms the margin of the external ear another name for volute (def. 2) any terrestrial gastropod mollusc of the genus Helix, which includes the garden snail (H. aspersa) Word Origin for helix C16: from Latin, from Greek: spiral; probably related to Greek helissein to twist Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to helix screw, tangle, curve, flourish, braid, tendril, trajectory, arc, arch, contour, loop, nexus, contortion, twist, whorl, perplexity, bunch, whirl, ligature, spiral Cultural definitions for helix helix [ (hee-liks) ] In geometry, a three-dimensional spiral shape, resembling a spring. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for helix helix [ hē′lĭks ] n. pl. he•lix•es A spiral form or structure. The folded rim of skin and cartilage around most of the outer ear. A three-dimensional curve that lies on a cylinder or cone, so that its angle to a plane perpendicular to the axis is constant. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for helix helix [ hē′lĭks ] 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. Something, such as a strand of DNA, having a spiral shape. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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helix

noun, plural hel·i·ces [hel-uh-seez], /ˈhɛl əˌsiz/, he·lix·es.

Origin of helix

Words nearby helix

Example sentences from the Web for helix

British Dictionary definitions for helix

noun plural helices (ˈhɛlɪˌsiːz) or helixes

Word Origin for helix

Words related to helix

Cultural definitions for helix

Medical definitions for helix

n. pl. he•lix•es

Scientific definitions for helix