spiral

(redirected from spirals)
Also found in: Dictionary, Thesaurus, Idioms, Encyclopedia.
Related to spirals: Fibonacci

spiral

 [spi´ral]
1. winding like the thread of a screw; called also helical.
2. a winding structure; see also coil and helix.
Curschmann's s's coiled fibrils of mucin sometimes found in the sputum of patients with asthma. See also Laënnec's pearls.

spi·ral

(spī'răl),
1. Coiled; winding around a center like a watch spring; winding and ascending like a wire spring.
2. A structure in the shape of a coil.
[Mediev. L. spiralis, fr. G. speira, a coil]

spi·ral

(spī'răl)
1. Coiled; winding around a center like a watch spring; winding and ascending like a wire spring.
2. A structure in the shape of a coil.
[Mediev. L. spiralis, fr. G. speira, a coil]

spi·ral

(spī'răl)
1. Coiled; winding around a center like a watch spring; winding and ascending like a wire spring.
2. Structure in shape of a coil.
[Mediev. L. spiralis, fr. G. speira, a coil]
References in periodicals archive ?
It stands out from most spiral galaxies due to the presence of a bar structure in its core which scientists believe first appeared when the galaxy matured. 
Smith said one of the biggest challenges of the two-month project was retrofitting the new spirals into the existing structure.
Through a process of "how much/what kind of data do we have on this galaxy" elimination, the team whittled down the group of bright galaxies to a couple hundred and discovered that, although most were ellipticals, 53 were super spirals.
You can stitch this design in a line of open spirals to form a design called Spiral Chain.
The Oak Infusion Spiral is a patented oak-aging alternative originally developed for fine wine, but has been used for whiskey, rum, tequila and beer to mimic the effects of aging in an oak barrel.
Handzic started with Archimedean spirals and logarithmic spirals.
After those analytical works in the 1960s, the pursuit of a physically descriptive analysis on the Archimedean spiral antenna has received less attention perhaps due to its curvilinear structure and the geometric complexity.
They succeeded in capturing clear, detailed images of its disk, which they discovered has a spiral structure with two clearly discernable arms.
From a design standpoint, the Live Drum Spiral Conveyor can be configured with various in-feed and discharge locations, and it can be engineered to lower or elevate products.
The Spiral Labyrinth Calendar is a tool for self-discovery Anything you can color code--meditations, moods, fertility, paydays, sick days, sobriety--you can track on your calendar.
The Helix Spiral freezer is the largest Starfrost system to date to be installed at the company's production facility in Amble, Northumberland.