Such spirals were used in early Athens to confine the back hair, and this fashion may therefore be identified as the Kpc f3vXos.
Among the ammonites the loss of power to coil the shell is one feature of racial old age, and in others old age is accompanied by closer coiling and loss of surface ornamentation, such as spines, ribs, spirals; while in other forms an arresting of variability precedes extinction.
The have been identified by Helbig with small spirals of gold wire, such as are found in early Etruscan tombs lying near the head of the skeleton.
This idea that material representation involves a profanation of divine personages, while disallowing all religious art which goes beyond scroll-work, spirals, flourishes and geometrical designs, yet admits to the full of secular art; and accordingly the iconoclastic emperors replaced the holy pictures in churches with frescoes of hunting scenes, and covered their palaces with garden scenes where men were plucking fruit and birds singing amid the foliage.
They introduced a special style of ornament ("geometric") instead of that of the Bronze Age, characterized by spirals and marine animals and plants.
In the red variety of Cucurbita pepo these crystals may consist of rods, thin plates, flat ribbons or spirals.
At the an ~ ~ tenor end are attached - two cilia or flagella In, , C the Vascular Cryptogams -- ~ the structure is much the;il ~.: -; same, but a more or less ~ ~ ~ spherical mass of cyto 4 i~- - ~ plasm remains attached .8 ~ :~ to the posterior spirals, -.
The women wore two bronze pins, a bracelet on each arm, amber ornaments and a necklace of bronze tubes in spirals.
They are unusually interesting from the fact that many of the exposed slabs in the walls of the chambers are ornamented with spirals and other devices, rudely incised.
Cotes (1682-1716), and the various curves obtained are known as Cotess spirals.
2, 3) the two ends of the lophophore are rolled into spirals.
self-destructive nature, Rochester inevitably spirals into the pits of despair.
(4) On Spirals (Peri helikon) is a book of twenty-eight propositions.
When the directive force is constant, the curve is a cycloid; under other conditions, spirals and other curves are described (see Mechanics) .
consist of woody substance) and are irregularly but thickly studded with simple pits (see CYTOLOGY), which are usually arranged in spirals running round the cells, and are often elongated in the direction of the spiral (fig.
The tree is tapped either in the same manner as the Hevea, or by encircling the tree with a simple spiral cut at an inclination of 45Ã‚°, or by two parallel spirals if the tree be large.
The canes adhere to the molten glass, and the mass is first twisted and then drawn out into fine cane, which contains white threads arranged in endless spirals.
This work included the "Logometria," the trigonometrical theorem known as "Cotes' Theorem on the Circle" (see TRIGONOMETRY), his theorem on harmonic means, subsequently developed by Colin Maclaurin, and a discussion of the curves known as "Cotes' Spirals," which occur as the path of a particle described under the influence of a central force varying inversely as the cube of the distance.
It may be well to explain here that a claim has been set up by his admirers for the celebrated artist, architect and engineer, Leonardo da Vinci, to be regarded as the discoverer of the principles and practice of flight (see Theodore Andrea Cook, Spirals in Nature and Art, 1903).
With two plates of equal thickness and of opposite rotations, the pattern consists of a series of circles and of four similar spirals starting from the centre, each spiral being turned through 90Ã‚° from that adjacent to it.
aceae, where the parts are in spirals (acyclic).
Unable to break free from his self-destructive nature, Rochester inevitably spirals into the pits of despair.
These spirals over time change and transmute simple elements in the mountains into valuable minerals, metals, and precious stones.
Ann's Spirals Starfishflowers will give a fresh and contemporary look to your pages.
This way you can nip a little twinge of stress in the bud before it spirals into a feeling that will ruin your day and maybe even bring about an anxiety attack.
The practice can become so consuming that players sometimes steal or contemplate suicide when the behavior spirals out of control.
A fun pattern of candy corn or swirling spirals of black licorice are sometimes all it takes to make a Halloween cake special.
Compact Fluorescent light bulbs fit standard light sockets, but are manufactured in special shapes like spirals and the F-shaped bulb.
GE makes Energy Smart Dimming Spirals, which are specifically created for this purpose.
Spirals: The spiral is the Celtic symbol for eternity, and many believe the design was inspired by a simple snail shell.
A popular design is a long snake that spirals several times around the wrist or upper arm.
Triskelion: One of the most popular and well-known Celtic symbol, the Triskelion is a three-legged design, often depicted with spirals.
Newgrange Spirals: The Newgrange spiral is the most famous Celtic spiral discovered in the 6,000 year old inner chamber of Ireland's Newgrange passage tomb.
The three spirals are sometimes used in combination with a Trinity or Triskelion design.
Triskelion: The triskelion, which means "three-legged," is three joined spirals that resemble three running legs.
They have red circles or spirals inside the lenses and are sold for $99.
With fun uphill climbs powered by jetted water, followed by plunges, dips, curves, spirals, and other adventurous features common to many types of water slides, these outrageous attractions are sure to offer fun for all their riders.
Treponeme-A term used to refer to any member of the genus Treponema, which is an anaerobic bacteria consisting of cells, 3-8 micrometers in length, with acute, regular, or irregular spirals and no obvious protoplasmic structure.
Without such regulation, a normal inflammatory response spirals out of control.
Rotini- The "spirals" of this pasta can add a fun twist to your salad.
For example, if you look closely at the head of a daisy you will see the tiny florets grow in two spirals from the center outward.
The number of the florets in the two spirals are 21 and 34, both Fibonacci numbers, which is a Golden Ratio.
A fun resource from Math is Fun has an interactive tool that illustrates how the new cells of a sunflower plant grow in spirals.
Watch as the hamster scoots up the ramp and then spirals down the slide.
It is created by spirals in varying directions and can be used to created several designs.
This is the basic form of the Celtic spiral and is often used to create more complex spirals.
Spirals: Triple, double and single spirals are common designs.
In fact, his energy almost spirals downward.
Spirals: Spiral patterns often contain the symbol for rising.
These include the spirals of war, a design from the Scottish highlands, and the thistle, which is the national symbol of Scotland.
The tribal pattern comes into play usually as an accent, such as thorns or spirals that form the background for the dragon, possibly even a way to tie the image into other tattoos already inked on the wearer's skin.
Designs based around Celtic imagery typically depict a series of delicately intertwined lines that represent knots, spirals or mazes.
Use quilled accents to create animal whiskers for a child's card, or create starbursts and spirals as small decorations.
The more dye you use, the bolder and more saturated your spirals will be.
Dreaming Spirals, Liz Plummer's textile art blog, highlights her wonderful painting and dying techniques.
Nobody likes a squishy robot!Amigurumi characters are crocheted with continuous spirals to create balls, cones, and cylinders and similar objects.
The tree is tapped either in the same manner as the Hevea, or by encircling the tree with a simple spiral cut at an inclination of 45°, or by two parallel spirals if the tree be large.
Uredospores, septa of Basidiomycetes), spirals, reticulations, rings, &c. (capillitium fibres of Podaxon, Calostoma, Battarrea), occur as in the vessels of higher plants, while sculptured networks, pittings and so forth are as common on fungus-spores as they are on pollen grains.
But in such cases a series of secondary spirals or parastichies are seen running parallel with each other both right and left, which to a certain FIG.
The circles in the centre indicate a rectilinear series of indicate the five turns of the spiral, scales and two lateral secondand show the insertion of each of the ary spirals, one turning from leaves.
Later we find two periods of zigzag designs in south Germany with an intermediate stage of spirals and wavy lines, while in north and east Germany the so-called string-ornamentation predominates.
The latter are formed of two spirals of wire, sometimes four such spirals being used, whilst there were also brooches in animal forms, one of the latter being found with a bronze sword.
Divisions perpendicular to the long axis: - Vibrio (Muller-Ldffler), commashaped, motile, monotrichous; Spirillum (Ehrenb.), more strongly curved in open spirals, motile, lopho trichous; Spirochaete (Ehrenb.), spirally coiled in numerous close turns, motile, but apparently owing to flexile movements, as no cilia are found.
The ornamentation of the period is as a rule confined to spirals, bosses and concentric circles.
Superimposed sections of rightand left-handed quartz, as may sometimes be present in sections of twinned crystals, exhibit Airy's spirals in the polariscope.
With two plates of equal thickness and of opposite rotations, the pattern consists of a series of circles and of four similar spirals starting from the centre, each spiral being turned through 90° from that adjacent to it.
When the light is circularly polarized or circularly analysed, a single plate gives two mutually enwrapping spirals, and similar spirals in circularly polarized light are obtained with plates of an active biaxal crystal perpendicular to one of the optic axes.
When an engineer has to construct a railway up a hill having a still steeper slope, he must secure practicable gradients by laying out the line in ascending spirals, if necessary tunnelling into the hill, as on the St Gothard railway, or in a series of zigzags, or he must resort to a rack or a cable railway.
In his investigations respecting cycloidal lines and various spiral curves, his attention was directed to the loxodromic and logarithmic spirals, in the last of which he took particular interest from its remarkable property of reproducing itself under a variety of conditions.
The horns are long, ringed, and form spirals with from three to five turns.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.