- Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
- a helix.
- a single circle or ring of a spiral or helical curve or object.
- a spiral or helical object, formation, or form.
- Aeronautics. a maneuver in which an airplane descends in a helix of small pitch and large radius, with the angle of attack within that of the normal flight range.
- Football. a type of kick or pass in which the ball turns on its longer axis as it flies through the air.
- Economics. a continuous increase in costs, wages, prices, etc. (inflationary spiral), or a decrease in costs, wages, prices, etc. (deflationary spiral).
- running continuously around a fixed point or center while constantly receding from or approaching it; coiling in a single plane: a spiral curve.
- coiling around a fixed line or axis in a constantly changing series of planes; helical.
- of or of the nature of a spire or coil.
- bound with a spiral binding; spiral-bound: a spiral notebook.
- to take a spiral form or course.
- to advance or increase steadily; rise: Costs have been spiraling all year.
- Aeronautics. to fly an airplane through a spiral course.
- to cause to take a spiral form or course.
Origin of spiral
Related Words for spiralledfuzzy, wavy, kinky, coiled, tighten, swim, whirl, rotate, spiral, twist, turn, twirl, revolve, reel, screw, swivel, contort, wriggle, wiggle, wrench
Examples from the Web for spiralled
Contemporary Examples of spiralled
It was clear to us that the war in Afghanistan had spiralled out of control.How I Filmed the Afghan War
June 27, 2010
Historical Examples of spiralled
Their pinions flashed, spiralled and sank to rest on the wide waters.Darkness and Dawn
George Allan England
The wind caught it again and spiralled it away into the darkness.Deadly City
Paul W. Fairman
Darl Thomas ran headlong up the staircase that spiralled through the dim cavern.The Great Dome on Mercury
Arthur Leo Zagat
Bob spiralled upward until they were high above the ranch, and the figures below seemed little manikins.The Radio Boys on the Mexican Border
She straightened out, banked and spiralled but not for a second did she take a chance with her plane.Gypsies of the Air
- geometry one of several plane curves formed by a point winding about a fixed point at an ever-increasing distance from it. Polar equation of Archimedes spiral: r = a θ; of logarithmic spiral: log r = a θ; of hyperbolic spiral: r θ = a, (where a is a constant)
- another name for helix (def. 1)
- something that pursues a winding, usually upward, course or that displays a twisting form or shape
- a flight manoeuvre in which an aircraft descends describing a helix of comparatively large radius with the angle of attack within the normal flight rangeCompare spin (def. 16)
- economics a continuous upward or downward movement in economic activity or prices, caused by interaction between prices, wages, demand, and production
- having the shape of a spiral
- to assume or cause to assume a spiral course or shape
- (intr) to increase or decrease with steady accelerationwages and prices continue to spiral
Word Origin for spiral
1550s, from Middle French spiral, from Medieval Latin spiralis "winding, coiling" (mid-13c.), from Latin spira "coil," from Greek speira "coil, twist, wreath," from PIE *sper- "to turn, twist." Spiral galaxy first attested 1913.
1726 (implied in spiraled), from spiral (n.). Transferred and figurative sense by 1922. Related: Spiraling.
1650s, from spiral (adj.). U.S. football sense is from 1896.
- Coiling or developing around an axis in a constantly changing series of planes; helical.
- A structure in the shape of a coil.
- To take the form or course of a spiral.