Dictionary
Thesaurus
Encyclopedia
Translator
Web
Related Searches
Nearby Words

helixes

 - 7 dictionary results
Wood Propellers/Free Ship
Large selection replica antique propellers in many sizes. On Sale.
www.asimplertime.com
Helixes
Buy Helixes up to 50% cheaper on best-price.com
www.best-price.com/Helixes
California Propeller
Find propeller here. We offer local search in your state
california.local.com

he⋅lix

  [hee-liks]
Use helixes in a Sentence
–noun, plural hel⋅i⋅ces  [hel-uh-seez] , he⋅lix⋅es.
1. a spiral.
2. Geometry. the curve formed by a straight line drawn on a plane when that plane is wrapped around a cylindrical surface of any kind, esp. a right circular cylinder, as the curve of a screw. Equation: x = a sinθ, y = a cosθ, z = b θ.
3. Architecture.
a. a spiral ornament.
b. (in a Corinthian capital) either of two scrolls issuing from a cauliculus. Compare Corinthian (def. 2).
4. Anatomy. the curved fold forming most of the rim of the external ear.
5. Biochemistry. alpha helix.
Origin:
1555–65; < L: a spiral, a kind of ivy < Gk hélix anything twisted; cf. helíssein to turn, twist, roll
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To helixes
Wood Propellers/Free Ship
Large selection replica antique propellers in many sizes. On Sale.
www.asimplertime.com
Helixes
Buy Helixes up to 50% cheaper on best-price.com
www.best-price.com/Helixes
he·lix   (hē'lĭks)   


(click for larger image in new window)
n.   pl. he·lix·es or hel·i·ces (hěl'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.


[Latin, from Greek; see wel-2 in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Cultural Dictionary

helix [(hee-liks)]

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

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Origin & History

helix 
1563, from L. helix "spiral," from Gk. helix (gen. helikos), related to eilein "to turn, twist, roll," from PIE base *wel- "to turn, revolve" (see vulva).
Online Etymology Dictionary, © 2001 Douglas Harper
Cite This Source
Medical Dictionary

Main Entry: he·lix
Pronunciation: 'hE-liks
Function: noun
Inflected Form: plural he·li·ces /'hel-&-"sEz,'hE-l&-/ also he·lix·es /'hE-lik-s&z/
1 : the incurved rim of the external ear
2 : a curve traced on acylinder by the rotation of a point crossing its right sections at a constant oblique angle; broadly : SPIRAL 2—see ALPHA-HELIX DOUBLE HELIX
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Medical Dictionary

helix he·lix (hē'lĭks)
n. pl. he·lix·es or hel·i·ces (hěl'ĭ-sēz', hē'lĭ-)

  1. A spiral form or structure.

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

  3. 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.
Cite This Source
Science Dictionary
helix   (hē'lĭks)  Pronunciation Key 

  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.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Search another word or see helixes on Thesaurus | Reference
California Propeller
Find propeller here. We offer local search in your state
california.local.com
Propeller
Wholesale Pricing Shop Online. Same Day Shipping!
WholesaleMarine.com
FacebookTwitterFollow us:
Partner Sites:
Ask AnswersEviteExpediaHotelsHotwireLife123LiveDailyMy Way