helices


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hel·i·ces

 (hĕl′ĭ-sēz′, hē′lĭ-)
n.
A plural of helix.

helices

(ˈhɛlɪˌsiːz)
n
a plural of helix

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]
References in periodicals archive ?
Yamadam, "Thermal/structural analysis of diamond supported helices," AIAA 11th Communication Satellite Systems Conference, 605-608, 1986.
When they used the program, the researchers were surprised to discover that their top candidates for containing beta helices were all bacterial proteins.
It was later shown[2] that a shaped-conical pattern also can be achieved by using helices of an integral number of turns and varying pitches.
What's more, the helices that fill space most efficiently in the team's computer simulations closely resemble those that form naturally in proteins, report Amos Maritan of the International School for Advanced Studies (SISSA) in Trieste, Italy, and his colleagues.
The antenna is a two-element broadside array consisting of two short helices mounted on a small common ground plane.