noun
definition
The line that bounds a circle or other two-dimensional figure
definition
The length of such a line
definition
The surface of a round or spherical object
definition
The length of the longest cycle of a graph
verb
definition
To include in a circular space; to bound.
Examples of circumference in a Sentence
Nearly all these instruments register the revolution of a small wheel of known circumference, which is run along the line to be measured.
The park is nearly ten miles in circumference.
This exam includes assessing size, weight, head circumference, chest circumference, genitalia, physical mobility, eyes, ears, nose, mouth, lungs, heart, elimination, presence of neonatal reflexes, and much more.
Also be sure the circumference of the baseball bat's handle is right for you.
The fort rises from a huge mass of granite rock, which with a circumference of nearly 2 m., juts up abruptly to a height of 450 ft.
A half hoop ring has stones or diamonds that cover only the top half of the circumference of the ring.
Each cylinder has a platinum wire fused to the upper circumference to connect with a clamp from which a wire leads to the proper pole of the battery.
The name cycloid is now restricted to the curve described when the tracing-point is on the circumference of the circle; if the point is either within or without the circle the curves are generally termed trochoids, but they are also known as the prolate and curtate cycloids respectively.
The method by which the cycloid is generated shows that it consists of an infinite number of cusps placed along the fixed line and separated by a constant distance equal to the circumference of the rolling circle.
The simplest case of a caustic curve is when the reflecting surface is a circle, and the luminous rays emanate from a point on the circumference.
A well-grown plant projects less than a foot above the surface of the ground; the stem, which may have a circumference of more than 12 ft., terminates in a depressed crown resembling a circular table with a median groove across the centre and prominent broad ridges concentric with the margin.
The Thames, bordered in early times by a great expanse of fen on either hand from Chelsea and Battersea downward, washed, at the point where the Abbey stands, one shore of a low island perhaps three-quarters of a mile in circumference, known as Thorney or Bramble islet.
Within the walls, which had a circumference of six miles, were villages separated by fields, several royal palaces, a market-place and a large square containing the barracks.
From 1 to 12 the numbers sometimes lie in the circumference of a circle, an arrangement obviously suggested by a clock-face; in these cases the series usually mounts upwards from 12.
The polarizing prism is fixed at the centre of a circular disk, that has a scale on its circumference, which with a fixed vernier determines the positions of the polarizer, for which the bands disappear at the assigned point of the field.
In most cases such wheels merely have earthenware pitchers attached to their circumference by means of wisps of esparto, and are turned by a horse harnessed to a long arm fitted to a revolving shaft.
He thus found the distance between Syene and Alexandria (known to be 5000 stadia) to correspond to - 5 1 - 6 th of a great circle, and so arrived at 250,000 stadia (which he seefns subsequently to have corrected to 252,000) as the circumference of the earth.
It is clear that the light proceeds from a region surrounding the sun, and lenticular in form, the axis of the lens being nearly perpendicular to the ecliptic, while the circumference extends at least to the orbit of the earth.
We may also notice Kepler's approximate value for the circumference of an ellipse (if the semi-axes be a and b, the approximate circumference is ir(a+b)).
The inflorescence is simple and indeterminate, and the expansion of the flowers centripetal, those at the circumference opening first.
The expansion of the flowers is thus centripetal, that is, from base to apex, or from circumference to centre.
The expansion of the flowers is in this case centrifugal, that is, from apex to base, or from centre to circumference.
The flowers are in heads (capitula), and open from the circumference inwards in an indefinite centripetal manner.
From the centre, processes go to circumference, ending in curved placentas bearing the ovules.
He quickly converted the town into an entrenched and fortified camp. Wallenstein followed the king's example, and entrenched himself on the western bank of the Regnitz in a camp twelve English miles in circumference.
The color is shaded, paler pink at the circumference becoming deeper magenta toward the center, with dark veins and red anthers.
The rectus sheath or external oblique aponeurosis was clearly exposed around the circumference of the defect.
In later pregnancy ultrasound assessment of the fetal abdominal circumference is the most sensitive predictor of fetal weight.
To help get the big hose back onto the radiator, smear a little grease over the outer circumference of the junction.
The Yokohama tires provide an overall rolling circumference of 75 " .
The hip circumference was measured at the greatest circuit.
The head circumference should be plotted on a chart which takes height into account.
Monitor is supplied with the Omron Medium Cuff which fits 22 - 32cm arm circumference.
The earth's circumference was actually measured around 240 BC by Eratosthenes with a high degree of accuracy.
You then divide the circumference by the diameter to get pi, with a calculator.
The courtyard is provided with mastaba benches around its walls, and its white plastered walls have a red line around its circumference.
Slit the antimesenteric border of the ileum with dissecting scissors to increase the its circumference.
The central three-quarters of the breadth of tread this band must be continuos around the entire outer circumference of the tire.
The circumference of the fore-foot is half the height at the shoulder, a circumstance which enables sportsmen to estimate approximately the size of their quarry.
The spherical particles are the second matter of Descartes, and their tendency to propel one another from the centre in straight lines towards the circumference of each vortex is what gives rise to the phenomenon of light radiating from the central star.
He gives the longest pipe of this organ, B natural, as 31 Brunswick feet, and the circumference 31 ft.
A vertical transmitting antenna sends out its waves equally in all directions, and these can be equally detected by a suitable syntonic or other receiver at all points on the circumference of a circle described round the transmitter.
Its circumference at the base is about 30 m.
Continued fractions, one of the earliest examples of which is Lord Brouncker's expression for the ratio of the circumference to the diameter of a circle (see Circle), were elaborately discussed by John Wallis and Leonhard Euler; the convergency of series treated by Newton, Euler and the Bernoullis; the binomial theorem, due originally to Newton and subsequently expanded by Euler and others, was used by Joseph Louis Lagrange as the basis of his Calcul des Fonctions.
If we conceive the primary wave to be broken up at the plane of the disk, a system of Fresnel's zones can be constructed which begin from the circumference; and the first zone external to the disk plays the part ordinarily taken by the centre of the entire system.
Hence, in order that this zone may be perfectly formed, there should be no error in the circumference of the order of ooi cm.
Or, retaining a constant, we might attain compensation by so polishing the surface as to bring the circumference slightly forward in comparison with the position it would occupy upon a true sphere.
Eytelwein (1764-1848) of Berlin, who published in 1801 a valuable compendium of hydraulics entitled Handbuch der Mechanik and der Hydraulik, investigated the subject of the discharge of water by compound pipes, the motions of jets and their impulses against plane and oblique surfaces; and he showed theoretically that a waterwheel will have its maximum effect when its circumference moves with half the velocity of the stream.
The colony of the insane is established in the farms and houses round the little place within a circumference of 30 m.
Savart's toothed wheel apparatus, named alter Felix Savart (1791-1841), a French physicist and surgeon, consists of a brass wheel, whose edge is divided into a number of equal projecting teeth distributed uniformly over the circumference, and which is capable of rapid rotation about an axis perpendicular to its plane and passing through its centre, by means of a series of multiplying wheels, the last of which is turned round by the hand.