Sentence Examples with the word elliptical

Is a flat disk, circular or elliptical in outline, had in the ideas time of Homer acquired a special definiteness by the introduction of the idea of the ocean river bounding the whole, an application of imperfectly understood observations.

The island is irregularly elliptical - somewhat triangular - in shape, and is 36 m.

The elliptical Tabernacle (5870) has a rounded, turtle-shell shaped roof, unsupported by pillars or beams, seats nearly 10,000, and has a large pipe organ (5000 pipes).

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A detailed description of the volcano was published by the Mexican geological survey in 1895 according to which the crater is elliptical in form, 2008 by 1312 ft.,, and has a depth of 1657 ft.

Tisserand in 1895.1 It involved the action of no third mass, but depended solely upon the progression of the line of apsides in a moderately elliptical orbit due to the spheroidal shape of the globes traversing it.

To the south-east, in the district known as the Cunelie, are a large number of tombs, known as sesi, similar in character to the nuraghi of Sardinia, though of smaller size, consisting of round or elliptical towers with sepulchral chambers in them, built of rough blocks of lava.

In the simplest cases the cambium produces xylem more freely along certain tracts of the circumference than along others, so that the stem loses its original cylindrical form and becomes elliptical or lobed in section.

The axes will take up any position, and consequently give rise to a continuous series of parhelia which touch externally the inner halo, both above and below, and under certain conditions (such as the requisite altitude of the sun) form two closed elliptical curves; generally, however, only the upper and lower portions are seen.

Near it, in a district called Civita, is a large elliptical area of about 1300 by 380 yds., enclosed by a wall of masses of lava, which is about 28 ft.

The evolution of this cavity into a gut is foreshadowed in some Coelentera by the elliptical shape of the aperture, and by the development at its ends of a ciliated channel along which food is swept; we have only to suppose the approximation of the sides of the ellipse and their eventual fusion, to complete the transformation of the radially symmetrical Coelenterate into a bilaterally symmetrical Coelomate with mouth and anus at opposite ends of the long axis.