# spiral

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## spi·ral

(spī′rəl)
n.
1.
a. A curve on a plane that winds around a fixed center point at a continuously increasing or decreasing distance from the point.
b. A three-dimensional curve that turns around an axis at a constant or continuously varying distance while moving parallel to the axis; a helix.
c. Something having the form of such a curve: a spiral of black smoke.
2. Printing A spiral binding.
3. The course or flight path of an object rotating on its longitudinal axis.
4. A continuously accelerating increase or decrease: the wage-price spiral.
1. Of or resembling a spiral.
2. Circling around a center at a continuously increasing or decreasing distance.
3. Coiling around an axis in a constantly changing series of planes; helical.
4. Printing Relating to or having a spiral binding: a spiral notebook.
v. spi·raled, spi·ral·ing, spi·rals also spi·ralled or spi·ral·ling
v.intr.
1. To take a spiral form or course.
2. To rise or fall with steady acceleration.
v.tr.
To cause to take a spiral form or course.

[Medieval Latin spīrālis, of a spiral, from Latin spīra, coil; see spire2.]

spi·ral′i·ty (spī-răl′ĭ-tē) n.

## spiral

(ˈspaɪərəl)
n
1. (Mathematics) 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 = aθ; of logarithmic spiral: log r = aθ; of hyperbolic spiral: rθ = a, (where a is a constant)
2. (Mathematics) another name for helix1
3. something that pursues a winding, usually upward, course or that displays a twisting form or shape
4. (Aeronautics) 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 spin16
5. (Economics) 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
vb, -rals, -ralling or -ralled, -rals, -raling or -raled
6. to assume or cause to assume a spiral course or shape
7. (intr) to increase or decrease with steady acceleration: wages and prices continue to spiral.
[C16: via French from Medieval Latin spīrālis, from Latin spīra a coil; see spire2]

## spi•ral

(ˈspaɪ rəl)

n., adj., v. -raled, -ral•ing (esp. Brit.) -ralled, -ral•ling. n.
1. 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. a football thrown or kicked so that the ball turns on its longer axis as it flies through the air.
6. a continuous increase or decrease in wages, prices, etc.
7. of or of the nature of a spire or coil.
8. bound with a spiral binding; spiral-bound: a spiral notebook.
v.i.
9. to take a spiral form or course.
10. to rise or fall steadily.
[1545–55; < Medieval Latin spīrālis= Latin spīr(a) coil (< Greek speîra; compare spire2) + -ālis -al1]

## spiral

Past participle: spiralled
Gerund: spiralling

Imperative
spiral
spiral
Present
I spiral
you spiral
he/she/it spirals
we spiral
you spiral
they spiral
Preterite
I spiralled
you spiralled
he/she/it spiralled
we spiralled
you spiralled
they spiralled
Present Continuous
I am spiralling
you are spiralling
he/she/it is spiralling
we are spiralling
you are spiralling
they are spiralling
Present Perfect
I have spiralled
you have spiralled
he/she/it has spiralled
we have spiralled
you have spiralled
they have spiralled
Past Continuous
I was spiralling
you were spiralling
he/she/it was spiralling
we were spiralling
you were spiralling
they were spiralling
Past Perfect
Future
I will spiral
you will spiral
he/she/it will spiral
we will spiral
you will spiral
they will spiral
Future Perfect
I will have spiralled
you will have spiralled
he/she/it will have spiralled
we will have spiralled
you will have spiralled
they will have spiralled
Future Continuous
I will be spiralling
you will be spiralling
he/she/it will be spiralling
we will be spiralling
you will be spiralling
they will be spiralling
Present Perfect Continuous
I have been spiralling
you have been spiralling
he/she/it has been spiralling
we have been spiralling
you have been spiralling
they have been spiralling
Future Perfect Continuous
I will have been spiralling
you will have been spiralling
he/she/it will have been spiralling
we will have been spiralling
you will have been spiralling
they will have been spiralling
Past Perfect Continuous
Conditional
I would spiral
you would spiral
he/she/it would spiral
we would spiral
you would spiral
they would spiral
Past Conditional
I would have spiralled
you would have spiralled
he/she/it would have spiralled
we would have spiralled
you would have spiralled
they would have spiralled
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 spiral - a plane curve traced by a point circling about the center but at increasing distances from the centercurve, curved shape - the trace of a point whose direction of motion changes 2 spiral - a curve that lies on the surface of a cylinder or cone and cuts the element at a constant anglehelixcurve, curved shape - the trace of a point whose direction of motion changesdouble helix - a pair of parallel helices intertwined about a common axis; "the shape of the DNA molecule is a double helix" 3 spiral - a continuously accelerating change in the economyeconomic process - any process affecting the production and development and management of material wealthinflationary spiral - an episode of inflation in which prices and wages increase at an increasing rate and currency rapidly loses valuedeflationary spiral - an episode of deflation in which prices and wages decrease at an increasing rate and currency gains in value 4 spiral - ornament consisting of a curve on a plane that winds around a center with an increasing distance from the centervolutedecoration, ornament, ornamentation - something used to beautify 5 spiral - a structure consisting of something wound in a continuous series of loops; "a coil of rope"hank - a coil of rope or wool or yarnstructure, construction - a thing constructed; a complex entity constructed of many parts; "the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons" 6 spiral - flying downward in a helical path with a large radiusrotary motion, rotation - the act of rotating as if on an axis; "the rotation of the dancer kept time with the music" Verb 1 spiral - to wind or move in a spiral course; "the muscles and nerves of his fine drawn body were coiling for action"; "black smoke coiling up into the sky"; "the young people gyrated on the dance floor"turn - change orientation or direction, also in the abstract sense; "Turn towards me"; "The mugger turned and fled before I could see his face"; "She turned from herself and learned to listen to others' needs" 2 spiral - form a spiral; "The path spirals up the mountain"curve, wind, twist - extend in curves and turns; "The road winds around the lake"; "the path twisted through the forest" 3 spiral - move in a spiral or zigzag coursecorkscrewturn - change orientation or direction, also in the abstract sense; "Turn towards me"; "The mugger turned and fled before I could see his face"; "She turned from herself and learned to listen to others' needs" Adj. 1 spiral - in the shape of a coil    coiled - curled or wound (especially in concentric rings or spirals); "a coiled snake ready to strike"; "the rope lay coiled on the deck"

## spiral

1. a spiral staircase
noun
1. coil, helix, corkscrew, whorl, screw, gyre (literary), curlicue, volute Larks were rising in spirals from the ridge.
verb
1. Smoke spiralled from a joss stick.
2. a spiralling trend of violence
spiral downwards House prices will continue to spiral downwards.

## spiral

verb
To move or proceed on a repeatedly curving course:
Translations
إرتِفاع تَصاعُدي للأسْعارحَلَزونيلَولَبيمَسار حَلَزونييَرْتَفِع أو يَتَصاعَد حَلَزونِيّا
spirálaspirálovitě stoupatspirálovýšroubovitýtočitý
hastig stigningspiralstyrtdyk
csigavonalúspirálspirálisan emelkedik
hreyfa í spíral, skrúfast uppskrúfugangurspíral-spíral-, hringspírall
attīstīties spirālveidīgigrīstespirālespirāles-spirālveidīgs
špirálašpirálovito stúpaťšpirálovitýšpirálovýtočitý
polžastspiralaspiralen
dalgalanmafırlamakhelezonhelezonîiniş çıkış

## spiral

[ˈspaɪərəl]
a spiral staircase
B. N
the inflationary spiral
C. VI to spiral up/downsubir/bajar en espiral
the plane spiralled down
the smoke spiralled up; the smoke went spiralling upel humo subió formando una espiral
prices have spiralled up

## spiral

[ˈspaɪərəl]
n
(= shape) →
(= trend) →
the inflationary spiral →
downward spiral →
adj [pattern, movement, curve] → en spirale
vi
(= rise rapidly) [prices, costs] → monter en flèchespiral staircase spiral stairway n

## spiral

adj; shell alsogewunden; springSpiral-; movement, descentin Spiralen; a spiral curveeine Spirale; spiral nebulaSpiralnebel m
n (lit, fig)Spirale f; price/inflationary spiralPreis-/Inflationsspirale f
vi (also spiral up)sich (hoch)winden; (smoke also, missile etc)spiralförmig or in einer Spirale aufsteigen; (prices)(nach oben) klettern

## spiral

[ˈspaɪərl]
2. n
the inflationary spiral → la spirale dell'inflazione
3. vi (prices) →
to spiral up/down (also) (Aer) →

## spiral

1. coiled round like a spring, with each coil the same size as the one below. a spiral staircase.
2. winding round and round, usually tapering to a point. a spiral shell.
noun
1. an increase or decrease, or rise or fall, becoming more and more rapid (eg in prices).
2. a spiral line or object. A spiral of smoke rose from the chimney.
verbpast tense, past participle ˈspiralled , (American) ˈspiraled
to go or move in a spiral, especially to increase more and more rapidly. Prices have spiralled in the last six months.

## spi·ral

a. espiral, que se envuelve alrededor de un centro o axis.
References in classic literature ?
He joined to these a spiral, two inches in diameter, which terminated in two branch pieces of unequal length, the longer of which, however, was twenty-five feet in height and the shorter only fifteen feet.
The two outside started to stroll slowly in the direction of the spiral runway which led to the floors above, and in a moment were lost to view beyond a turn in the corridor.
"In that case," said the man, "it will be best for you to cross our Valley and mount the spiral staircase inside the Pyramid Mountain.
We see the same great law in the construction of the mouths of insects: what can be more different than the immensely long spiral proboscis of a sphinx-moth, the curious folded one of a bee or bug, and the great jaws of a beetle?--yet all these organs, serving for such different purposes, are formed by infinitely numerous modifications of an upper lip, mandibles, and two pairs of maxillae.
He had the letter taken from his pocket and the table- on which stood a glass of lemonade and a spiral wax candle- moved close to the bed, and putting on his spectacles he began reading.
Here we discovered a spiral stairway leading up from the center of the circular room.
It was spiral and he could see no farther than the first turn.
He raised the door and I caught sight of the top of a spiral staircase; then he said, turning to the lady, "Madam, this is the way that will lead you down to the spot which I told you of."
In the midst of the gloom of the spiral staircase, he elbowed something which drew aside with a growl; he took it for granted that it was Quasimodo, and it struck him as so droll that he descended the remainder of the staircase holding his sides with laughter.
"I tell you, Rosa, that I shall demolish this prison, stone for stone!" and the unfortunate man, whose strength was increased tenfold by his rage, began to shake the door with a great noise, little heeding that the thunder of his voice was re-echoing through the spiral staircase.
He had caught sight of the very place--a little white house nestled against a big, whispering firwood, with a spiral of blue smoke winding up from its kitchen chimney--a house which just looked as if it were meant for babies.
Glancing up and down the beach, he saw the opening of a cave out of which rose a spiral of smoke.

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