from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A plural of helix.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of helix.

from The Century Dictionary and Cyclopedia

  • n. Plural of helix.


Sorry, no etymologies found.


  • I now removed the helices with their soft iron cores, and replaced them by two _flat helices_ wound upon card board, each containing forty-two feet of silked copper wire, and having no associated iron.

    Experimental Researches in Electricity, Volume 1

  • The structure of a protein is characterized in four ways: The primary structure is the order of the different amino acids in a protein chain, whereas the secondary structure consists of the geometry of chain segments in forms such as helices or sheets.

    protein structure

  • But how about the equation for the Schrodinger wave function or an illustration of DNA helices?

    The Girl With the Science Tattoo

  • Helicopters rear and waver all around him, gusting down the avenue, toward the fissured monuments, kicking up a blast of helices that settle like pollen in a glittering layer over everyone.

    The Best American Poetry 2010

  • One of the cool properties of helices is that it's quite easy to calculate their lengths which is really quite rare among curves.

    Archive 2010-02-01

  • My plan is for these helices to form the rows, working from the outside in.

    Archive 2010-02-01

  • Since the space is symmetric under shifting along the axis of the helices after a suitable rotation, it's then just a matter of working out how many stitches to decrease in each row and spacing these evenly along the length.

    Archive 2010-02-01

  • Today, to celebrate an international day of action for democracy, privacy and free speech, we put those images together into a huge 4m x 6m collage, depicting a very Big-Brother-esque Gordon Brown against a background of barbed wire, handcuffs and double helices.

    Boing Boing

  • For example, alpha helices, are structural elements found in proteins.

    Better Models

  • There was a huge vacuum tube, one of the largest he had ever seen, and about this there clustered a maze of helices of tiny silver ribbon.

    "Microcosmic Buccaneers" by Harl Vincent, part 2


Log in or sign up to get involved in the conversation. It's quick and easy.