spiral (redirected from Spiral organ of Corti)

spi·ral  (sprl)

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.

adj.

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 also spi·ralled, spi·ral·ing also spi·ral·ling, spi·rals also spi·rals

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.

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[Medieval Latin sprlis, of a spiral, from Latin spra, coil; see spire².]

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spi·rali·ty (sp-rl-t) n.

spiral·ly adv.

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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 helix [1]

3. something that pursues a winding, usually upward, course or that displays a twisting form or shape

4. (Engineering / 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 spin [16]

5. (Economics) Economics a continuous upward or downward movement in economic activity or prices, caused by interaction between prices, wages, demand, and production

adj

having the shape of a spiral

vb -rals, -ralling, -ralled US, -rals -raling, -raled

1. to assume or cause to assume a spiral course or shape

2. (intr) to increase or decrease with steady acceleration wages and prices continue to spiral

[via French from Medieval Latin spīrālis, from Latin spīra a coil; see spire²]

spirally  adv

Thesaurus

Noun	1.	spiral - a plane curve traced by a point circling about the center but at increasing distances from the center curve, 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 angle helix curve, curved shape - the trace of a point whose direction of motion changes double 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 economy economic process - any process affecting the production and development and management of material wealth inflationary spiral - an episode of inflation in which prices and wages increase at an increasing rate and currency rapidly loses value deflationary 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 center volute decoration, ornament, ornamentation - something used to beautify
	5.	spiral - a structure consisting of something wound in a continuous series of loops; "a coil of rope" coil, helix, volute, whorl hank - a coil of rope or wool or yarn structure, 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 radius rotary 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" coil, gyrate 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 course corkscrew 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"
Adj.	1.	spiral - in the shape of a coil               coiling, helical, spiraling, volute, voluted, whorled, turbinate coiled - curled or wound (especially in concentric rings or spirals); "a coiled snake ready to strike"; "the rope lay coiled on the deck"

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spiral

adjective

coiled, winding, corkscrew, circular, scrolled, whorled, helical, cochlear, voluted, cochleate (Biology) a spiral staircase

noun

coil, helix, corkscrew, whorl, screw, gyre (literary), curlicue, volute Larks were rising in spirals from the ridge.

verb

1. coil, wind, twist, snake, twirl Smoke spiralled from a joss stick.

2. soar, rise, escalate, climb, rocket, shoot up a spiralling trend of violence

spiral downwards decline, fall, drop, sink, shrink, decrease, deteriorate, fall off, dwindle, wane, ebb House prices will continue to spiral downwards.

Translations

spiral [ˈspaɪərəl]

A. ADJ → espiral, en espiral
a spiral staircase → una escalera de caracol

B. N → espiral f, hélice f
the inflationary spiral → la espiral inflacionista

C. VI to spiral up/down → subir/bajar en espiral
the plane spiralled down → el avión bajó en espiral
the smoke spiralled up; the smoke went spiralling up → el humo subió formando una espiral
prices have spiralled up → los precios han subido vertiginosamente

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spiral [ˈspaɪərəl]

n

(= shape) → spirale f

(= trend) → spirale f
the inflationary spiral → la spirale inflationniste
downward spiral → spirale descendante

adj [pattern, movement, curve] → en spirale

vi

(= rise rapidly) [prices, costs] → monter en flèche
spiral staircase spiral stairway n → escalier m en colimaçon

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spiral

adj → spiralförmig, spiralig; shell also → gewunden; spring → Spiral-; movement, descent → in Spiralen; a spiral curve → eine Spirale; spiral nebula → Spiralnebel m

n (lit, fig) → Spirale f; price/inflationary spiral → Preis-/Inflationsspirale f

vi (also spiral up) → sich (hoch)winden; (smoke also, missile etc) → spiralförmig or in einer Spirale aufsteigen; (prices) → (nach oben) klettern

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spiral [ˈspaɪər/əl]

1. adj → a spirale

2. n → spirale f
the inflationary spiral → la spirale dell'inflazione

3. vi (prices) → salire vertiginosamente
to spiral up/down (also) (Aer) → salire/scendere a spirale

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spiral

adj spiral [ˈspaiərəl]

1 coiled round like a spring, with each coil the same size as the one below a spiral staircase. spiraalagtig لَولَبي спираловиден spirálový; točitý snoet; spiral- gewunden, Wendel-... ελικοειδής espiral keerd- مارپيچي kierre- en spirale סְלִיל सर्पिल, पेंचदार spiralan, zavojit csigavonalú berputar spíral-, hring a spirale らせん状の 나선형의 spiralinis, įvijas spirāles-; spirālveidīgs; vītņu- berlingkar spiraalvormig spiral-, vindel- spiralny espiral în spirală спиральный; винтовой špirálový; točitý spiralen spiralan spiral- ที่เป็นเกลียว; ที่วกวน helezonî, sarmal 盤旋的 спіральний; гвинтовий چکّر دار có dạng xoắn 盘旋的

2 winding round and round, usually tapering to a point a spiral shell. spiraalagtig حَلَزوني спирален šroubovitý snoet Spiral-... σπειροειδής en espiral spiraalne حلزوني kierteinen en spirale סְפִירָלָה कुंडलित uvojit, uzvojit spirál spiral spíral- a spirale うず巻きの 소용돌이 꼴의 sraigto pavidalo, sraiginis spirālveidīgs berlingkar-lingkar spiraalvormig spiral-/skrueformet spiralny, śrubowaty em espiral în spirală винтовой špirálovitý polžasto zavit spiralan spiralformad เป็นวงก้นหอย sarmal 螺旋形的 спіральний مرغولہ دار xoắn ốc 螺旋形的

n

1 an increase or decrease, or rise or fall, becoming more and more rapid (eg in prices). styg, daal إرتِفاع تَصاعُدي للأسْعار прен. спирала spirála hastig stigning; styrtdyk die Spirale απότομη αύξηση ή μείωση (π.χ. τιμών) espiral (üha kiirenev) tõus v. langus دائم در حال افزايش kierre spirale לְהִסתַחרֵר उत्तरोतर वृद्धि spirala (cijena), sve brži porast spirál gejolak skrúfugangur spirale 悪循環 악순환 laipsniškas kilimas/kritimas (cenu u.tml.) svārstības terus-menerus spiraal -spiral spirala espiral spirală виток; спираль špirála spirala inflatorna spirala spiral การขึ้นลงของราคา iniş çıkış, dalgalanma 不斷上升或下降 поступове прискорюване підвищення تیزي کے ساتھ چڑھنا یا اترنا sự tăng giảm dần 不断上升或下降

2 a spiral line or object A spiral of smoke rose from the chimney. spiraal مَسار حَلَزوني спирала spirála spiral die Spirale σπείρα, κουλούρα espiral keerd مارپيچ spiraali spirale לוּליַנִי सर्पिल spirala, zavojnica spirál gulungan spírall spirale らせん状 소용돌이선 spiralė, vija spirāle; grīste lingkaran spiraal spiral spirala espiral spirală предмет спиральной формы špirála spirala spirala spiral เส้นขด helezon 盤旋(形) спіраль لولبی شکل میں اوپر کی طرف اٹھنا đường xoắn ốc 盘旋（形）

v – past 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. skerp styg يَرْتَفِع أو يَتَصاعَد حَلَزونِيّا движа се спираловидно spirálovitě stoupat stige voldsomt sich hoch-,niederschrauben ανέρχομαι ελικοειδώς, με συνεχή επιτάχυνση moverse en espiral kiiresti kasvama, järjest tõusma افزايش يافتن kiertyä, nousta nopeasti monter en flèche לנוע במסלול לוּליַנִי उत्तरोतर बढ़ना kretati se u spirali, kovitlati spirálisan emelkedik meningkat hreyfa(st) í spíral, skrúfast upp (muoversi a spirale) aumentare らせん状になる 악순환이 되다 laipsniðkai kilti/kristi svārstīties; attīstīties spirālveidīgi naik terus-menerus spiralen stige fortere og fortere wzrastać gwałtownie subir em espiral a creşte vertiginos повышаться (по спирали) špirálovito stúpať spiralno (se) premikati povećavati se ubrzano röra sig i (bilda) en spiral เพิ่มขึ้นอย่างคงที่ fırlamak 螺旋上升 рухатися по спіралі; поступово прискорювано підвищуватися تیزي سے قیمتوں کا بڑھنا یا گرنا tăng, giảm dần 螺旋上升

adv spirally

spiraalagtig حَلَزونِيّا спираловидно spirálovitě som en spiral; hurtigere og hurtigere gewunden σπειροειδώς, ελικοειδώς en espiral spiraalselt spiraalimaisesti en spirale לוּליַנִי उत्तरोतर रूप से spiralno, zavojito spirálisan seperti spiral í spíral a spirale らせん状で 나선형으로 kaip spiralė spirālveidīgi secara terus-menerus spiraalvormig som en spiral; fortere og fortere spiralnie a modo de espiral în spirală спиралью špirálovito spiralno spiralno i spiral โดยที่ขด; โดยเพิ่มขึ้นอย่างคงที่ helezonî olarak 呈螺旋形地 по спіралі مرغولہ دار انداز میں xoắn ốc, hình xoắn 呈螺旋形地