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A speed skating rink is often called an oval. The term "ellipse" is often used interchangeably with oval, but it has a more specific mathematical meaning. [4] The term "oblong" is also used to mean oval, [5] though in geometry an oblong refers to rectangle with unequal adjacent sides, not a curved figure. [6]
The assignment of semi-axes on a spheroid. It is oblate if c < a (left) and prolate if c > a (right).. The equation of a tri-axial ellipsoid centred at the origin with semi-axes a, b and c aligned along the coordinate axes is
Chart illustrating leaf morphology terms. The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets). [1]
A two-dimensional orthographic projection at the left with a three-dimensional one at the right depicting a capsule. A capsule (from Latin capsula, "small box or chest"), or stadium of revolution, is a basic three-dimensional geometric shape consisting of a cylinder with hemispherical ends. [1]
The streaks are often oblong or oval-shaped as the plane ascends or descends through the cloud deck. The result is a quick burst of virga, or precipitation that evaporates before reaching the ground.
Oval (from the Latin "ovum" for egg), a descriptive term applied to several kinds of "rounded" shapes, including the egg shape; Pear shaped, in reference to the shape of a pear, i.e., a generally rounded shape, tapered towards the top and more spherical/circular at the bottom; Rod, a 3-dimensional, solid (filled) cylinder. Rod shaped bacteria
Diamond or oblong faces tend to have areas of definition between the cheekbones, the temple, and the jawline. "You could see a diamond-shaped face, and someone else would call it an oblong face ...
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