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Definitions for Spiral

[1] Geometry . a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
[2] a helix.
[3] a single circle or ring of a spiral or helical curve or object.
[4] a spiral or helical object, formation, or form.
[5] 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.
[6] Football . a type of kick or pass in which the ball turns on its longer axis as it flies through the air.
[7] Economics . a continuous increase in costs, wages, prices, etc. (inflationary spiral) , or a decrease in costs, wages, prices, etc. (deflationary spiral) .
[8] running continuously around a fixed point or center while constantly receding from or approaching it; coiling in a single plane: a spiral curve.
[9] coiling around a fixed line or axis in a constantly changing series of planes; helical.
[10] of or of the nature of a spire or coil.
[11] bound with a spiral binding; spiral-bound: a spiral notebook.
[12] to take a spiral form or course.
[13] to advance or increase steadily; rise: Costs have been spiraling all year.
[14] Aeronautics . to fly an airplane through a spiral course.
[15] to cause to take a spiral form or course.
[16] 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)
[17] another name for helix (def. 1)
[18] something that pursues a winding, usually upward, course or that displays a twisting form or shape
[19] a flight manoeuvre in which an aircraft descends describing a helix of comparatively large radius with the angle of attack within the normal flight range Compare spin (def. 16)
[20] economics a continuous upward or downward movement in economic activity or prices, caused by interaction between prices, wages, demand, and production
[21] having the shape of a spiral
[22] to assume or cause to assume a spiral course or shape
[23] (intr) to increase or decrease with steady acceleration wages and prices continue to spiral

Words related to Spiral

coiled, circling, rolled, wound, radial, circular, corkscrew, screw, gyre, quirk, whorl, gyration, coil, flourish, curlicue, helix, volute, cochlear, helical, helicoid

Words nearby Spiral

spiny-rayed fish, spir-, spiracle, spiradenoma, spiraea, spiral, spiral arm, spiral bandage, spiral bevel gear, spiral binding, spiral canal of cochlea

Origin of Spiral

1545–55; < Medieval Latin spīrālis, equivalent to Latin spīr(a ) coil (< Greek speîra anything coiled, wreathed, or twisted; see spire2) + -ālis -al1

Other words from Spiral

spi·ral·i·ty [spahy-ral -i-tee] /spaɪˈræl ɪ ti/ , noun
spi·ral·ly , adverb
mul·ti·spi·ral , adjective
non·spi·ral , adjective, noun
sub·spi·ral , adjective
sub·spi·ral·ly , adverb
un·spi·ral , adjective
un·spi·ral·ly , adverb
un·spi·raled , adjective
un·spi·ralled , adjective

Word origin for Spiral

C16: via French from Medieval Latin spīrālis, from Latin spīra a coil; see spire ²

Synonyms for Spiral

circling, coiled, circular, circumvoluted, corkscrew, curled, radial, rolled, scrolled, wound, cochlear, helical, helicoid, screw-shaped, tendrillar, tortile, voluted, whorled