n
Alternative form of antinode [(physics) A region of maximum amplitude situated between adjacent nodes of a vibrating body, such as a string.]
n
An aspherical object, usually a lens.
n
The globe; the earthly sphere.
n
The central core of the Earth (or similar planets)
adj
(geometry) Composed of two spheres
n
The orbit of an astronomical body.
n
heart-shaped map projections
n
An imaginary circle or orbit in the heavens; one of the celestial spheres.
adj
(rare) Synonym of hemispherical
n
(geography) Such a surface used as a model of the shape of the earth.
v
(transitive) To form into a sphere.
n
A manifold (of any dimension) homeomorphic to a sphere but not diffeomorphic to the standard sphere.
n
(cartography) A value relating to distance east of a standard meridian but with a constant added to make the numbers convenient. For instance, in UTM the value 500,000 is added to the easting from the center of each zone to return a false easting that is never negative (the smallest true easting is approximately -340,000 which is set to false easting of 160,000).
n
A fold mirror that is a "sphere", i.e. a spherical mirror
n
Any spherical (or nearly spherical) object.
n
Mathematical connotation of globe.
n
(computer graphics) The space filled by the Gosper curve.
n
A route, taken by intercontinental aircraft for instance, which is the shortest distance between two destinations on the surface of the Earth; an arc of a great circle.
n
(automotive) A hemispherical cylinder head from such a motor.
n
(architecture) A semicircular structure
n
(geometry) Any half-sphere, formed by a plane intersecting the center of a sphere. .
adj
Approximating a hemisphere in shape.
n
Archaic spelling of hemisphere. [(astronomy, astrology) Half of the celestial sphere, as divided by either the ecliptic or the celestial equator .]
n
(geometry) A horosphere together with the space above it.
adj
Shaped like a hypersphere.
v
Alternative form of ensphere [(transitive) To place in a sphere; to surround in all directions (as if) by a sphere (one of the concentric hollow transparent globes formerly believed to rotate around the Earth).]
n
(geography, astronomy) Any imaginary line perpendicular to the equator and part of a great circle passing through the North Pole and South Pole.
n
(mathematics) A line passing through the poles of any sphere; a notional line on the surface of a curved or round body (in particular, an eyeball).
n
(geometry) The sphere, between two given spheres, by which each of the latter may be inverted into the other.
n
A shape or object other than a sphere.
n
(geometry) An oblate spheroid; a figure described by the revolution of an ellipse about its minor axis.
adj
Exactly spherical; globular.
n
(archaeology) Any roughly spherical artefact made of stone.
adj
Describing a coordinate based on the direction of a perpendicular at a point on a planet's surface
n
Any representation of part of a sphere on a plane surface
n
(geometry) A fixed point relative to other points or lines.
n
(informal, astronomy) The radius of a celestial body when it is long enough to allow gravity to transform the body into a globe, typically estimated at approximately 300 kilometres.
adj
(cartography) Describing various map projections based on the conical.
n
(geometry) Any of various surfaces with constant negative Gaussian curvature.
adj
(geometry) Shaped like a pseudosphere.
n
(astrology) Any of 72 rays associated with the Sun, six for each of the 12 houses of the Zodiac.
n
(astrology) An angle of five-twelfths of a circle, or 150°, between two objects.
n
A spherical region of radius λ/2π around a small dipole electromagnetic antenna. This is the distance at which the induction and radiation terms are equal in magnitude. Inside, the induction terms dominate. In radio antenna theory the radiansphere is a convenient definition for the boundary between near-field and far-field regions.
n
The spin axis of a freely rotating body. In the case of the Earth, it differs from the figure axis by a few meters. This difference being a partial cause of the Earth's wobble.
n
Space as it is conceived, as opposed to space that is directly perceived. For example, the conception of a space based on a map or description.
adj
Formed like a half spheroid.
n
A device, composed of a sphere that can be rotated in all directions, that is used in experiments on the locomotion of insects etc.
n
Obsolete form of sphere. [(mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .]
n
Archaic spelling of sphere. [(mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .]
n
Obsolete form of sphere. [(mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .]
n
(historical) An elliptical or semi-elliptical auditorium.
n
(chemistry) A complex cryptand, having an almost spherical structure, that is able to form complexes by enveloping metal cations.
n
(mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .
n
A unified body or collection of knowledge regarding a specific subject.
adj
(geometry, not comparable) Of, or pertaining to, spheres.
n
(geometry) A cone with a spherical base.
n
(humorous) A highly simplified scientific model of a complex real-life phenomenon.
n
(geometry) A portion of the surface of a sphere cut off by two vertical planes through the centre of the sphere.
n
(physics, mathematics) A model of a form of atom composed of two electrons restricted to the surface of a sphere.
v
(transitive, manufacturing) To form or force into a spherical shape.
n
(mathematics) A solid, made up of two hemispheres connected by a cylinder.
adj
(optics, of a lens) Having one spheric and one cylindric surface.
n
An instrument for facilitating the practical use of spherics in navigation and astronomy, constructed of two cardboards containing various circles, turning upon each other in such a manner that any possible spherical triangle may be readily found, and the measures of the parts read off.
n
A solid of revolution generated by rotating an ellipse about its major (prolate), or minor (oblate) axis.
n
(rare) The quality of having a spheroidal shape.
n
(zoology) Any of the symmetrical segments arranged around the central axis and composing the body of a radiate animal.
v
To mold pellets into spheroids
n
(mathematics) A polyhedron that approximates to a sphere
adj
Being or relating to a spherule.
adj
Covered or set with spherules.
adj
(archaic) round; spherical; starlike
n
Archaic spelling of sphere. [(mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .]
adj
Obsolete spelling of spheric [Spherical.]
adj
Archaic spelling of spherical. [(geometry) Shaped like a sphere.]
n
Archaic spelling of spheroid. [A solid of revolution generated by rotating an ellipse about its major (prolate), or minor (oblate) axis.]
n
(geometry) The part of a spiral generated in one revolution of the straight line about the pole.
n
(mathematics, physics) Any of a set of spherical shells, one inside the other
adj
Nearly spherical; having a figure resembling that of a sphere.
n
An inferior sphere, or field of action.
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