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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
1. To take a spiral form or course.
2. To rise or fall with steady acceleration.
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.
spi′ral·ly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adv.1.spirally - with spirals; "spirally fluted handles"
hurtigere og hurtigere
í spíral
helezonî olarak


[ˈspaɪərəlɪ] ADVen espiral


advin einer Spirale, spiralförmig


(ˈspaiərəl) adjective
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.
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.
ˈspirally adverb
References in classic literature ?
Towards the stern of the boat it is spirally coiled away in the tub, not like the worm-pipe of a still though, but so as to form one round, cheese-shaped mass of densely bedded sheaves, or layers of concentric spiralizations, without any hollow but the heart, or minute vertical tube formed at the axis of the cheese.
The corridor terminated in a hall, large, lofty, and square; a glass door on one side showed within a long narrow refectory, with tables, an armoire, and two lamps; it was empty; large glass doors, in front, opened on the playground and garden; a broad staircase ascended spirally on the opposite side; the remaining wall showed a pair of great folding-doors, now closed, and admitting: doubtless, to the classes.
The next moment a delicate wreath of smoke curls spirally into the air, the heap of dusty particles glows with fire, and Kory-Kory, almost breathless, dismounts from his steed.
For a hundred feet the steps wound spirally up, until at a sudden turning Tarzan came into a narrow cleft between two rocky walls.
In Arctic North America [1] the Indians catch the Varying Hare by walking spirally round and round it, when on its form: the middle of the day is reckoned the best time, when the sun is high, and the shadow of the hunter not very long.
this mobile phase is recorded with a scan drop (diluted hf + h2o2), which is spirally guided over the wafer, for example.
The high-performance membrane elements in the Lewabrane range consist of spirally wound thin-film composite membranes that were developed specifically for industrial water treatment.
The first double page spread has an illustrated, spirally set contents list, which reveals the enormity of the breadth and range of the book.
Tampon Having Spirally Shaped Grooves: Hans Werner Schoelling, Ennepetal, Germany.
The many notable features differentiating Hi-DRI compressed air membrane dryers from competitor units are said to include a patented arrangement of structurally packed, permeable hollow fibres that are spirally wound on a support core.
The cylindrical cell configurations offer the high-capacity bobbin construction and high-power spirally wound product.
It was bringing in amazing choreographers from all over the world, and Olivier's sock-clad, spirally, goofy aesthetic attracted me like Mondrian to primary colors.