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helix


DNA molecules are shaped like a double helix.
  a spiral or coil (i.e., a curve that lies on the surface of a cylinder or cone shape and cuts the element at a constant angle)
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helix helical helices helixes
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Samples:
  • DNA molecules are shaped like a double helix.
  • a helix-shaped shell
  • a helical shell
  • 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:)
    Charles Darwin  --  The Voyage of the Beagle

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  • One was a tall boy of about thirteen, his skin burnished bronze and his cornrows woven like DNA helixes.
    Rick Riordan  --  The Trials of Apollo
  • A long pointer, emerging from the area of no light beside the screen, rests on the volutes and helices, indicating which is which.
    Margaret Atwood  --  Cat’s Eye
  • Twin lines of hardening earth snaked toward me, crossing like a DNA helix.
    Rick Riordan  --  The Throne of Fire
  • She began recognizing familiar structures, atomic linkages: a carbon atom here, helical wavering . a glucose molecule.
    Frank Herbert  --  Dune
  • Double helixes of DNA twisted and spiraled across my screen, then were overlaid with faded, unreadable newspaper clippings, staccato chunks of sound, colored postcards of New York.
    James Patterson  --  The Angel Experiment
  • It was for a laugh, for a laugh, all the kids had laughed and laughed, and the droll tuba player of the old Elk’s band had rendered it solo on his helical horn; with comical flourishes and doleful phrasing, "Boo boo boo booooo, Poor Robin clean"-a mock funeral dirge . But who was Robin and for what had he been hurt and humiliated?
    Ralph Ellison  --  Invisible Man

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  • Thoughts about the screw as combined rigidness and adhesiveness and about its special helical interlock might lead naturally to solutions of impaction and use of solvents.
    Robert M. Pirsig  --  Zen and the Art of Motorcycle Maintenance
  • At the end of a minute a dull splashing reverberated from the bottom of the well; the helical twist he had imparted to the rope had reached the grapnel below.
    Thomas Hardy  --  The Return of the Native
  • They turned in on the left by the church with the Italian porch, whose helical columns were heavily draped with creepers, and pursued the lane till there arose on Jude’s sight the circular theatre with that well-known lantern above it, which stood in his mind as the sad symbol of his abandoned hopes, for it was from that outlook that he had finally surveyed the City of Colleges on the afternoon of his great meditation, which convinced him at last of the futility of his attempt to be a
    Thomas Hardy  --  Jude the Obscure
  • There was the sudden, almost comic bloating of the little corpse, then the stretching of flesh into lesions, followed by the sudden appearance of maggots in the mouth, eyes, and open sores, and finally the sudden and incredible corkscrew cleaning of meat from the bones— there is no other phrase that fits the image-as the pack of maggots spiraled right to left, head to tail, in a time-lapsed helix of carrion consumption that left behind nothing but bones and gristle and hide.
    Dan Simmons  --  Hyperion
  • From the car window, Lourdes saw the island’s wounded landscapes, its helices of palms.
    Christina Garcia  --  Dreaming in Cuban
  • Shimmying for the sand roads, down in a helix to a sculptured body of water named Lake Inverarity.
    Thomas Pynchon  --  The Crying of Lot 49
  • He dropped it back into the box and picked up instead the stretched helix of a small window-shade spring.
    Henry Roth  --  Call It Sleep
  • But it’s the head of the sniper, spinning rapidly, throwing out a fine pink helix under the light.
    Neal Stephenson  --  Snow Crash
  • Tiny golden bubbles rose in double and triple helixes, evaporating with a hiss that sounded very nearly like a human sigh.
    Henry H. Neff  --  The Fiend And The Forge
  • The article by Michael Rogers was "The Double-Edged Helix," Rolling Stone (March 25, 1976).
    Rebecca Skloot  --  The Immortal Life of Henrietta Lacks
  • As soon as he completed his thesis, "An Analysis of Conical Helices", he transferred to Hughes’s big California operation, where the real action was, eager to make his mark in the race for space.
    Jon Krakauer  --  Into the Wild
  • It had required a Helix helicopter from the Kiev to the Tarawa, then a U.S. Navy Sea King to Norfolk.
    Tom Clancy  --  The Hunt for Red October
  • Every creepy guy in sunglasses and slippery hair you’ve ever seen, they’re all here, all with little fleshtone helices of wire trailing down from their ears.
    Neal Stephenson  --  Snow Crash
  • Doric columns are the strongest and simplest, Corinthian ones are the lightest and most ornate, adorned with rows of acanthus leaves giving rise to graceful volutes and helices.
    Margaret Atwood  --  Cat’s Eye
  • olds: cubes, spheres, tetrahedrons, polyhedrons, connected with a web of cylinders and lines and helices.
    Neal Stephenson  --  Snow Crash
  • She has parked her little car in her own little numbered slot, for which the Feds require her to pay about ten percent of her salary (if she doesn’t like it she can take a taxi or walk) and walked up several levels of a blindingly lit reinforced-concrete helix in which most of the spaces-the good spaces closer to the surface-are reserved for people other than her, but empty.
    Neal Stephenson  --  Snow Crash
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Associated words [difficulty]:   helix [6]
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Most commonly used in these subjects:   Engineering, Nature & Ecology, Science
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