n
Any structure in the form of a ring
n
(geography) The line which marks approximately the northernmost place in the Southern Hemisphere where the sun does not set on the summer solstice and does not rise on the winter solstice.
n
(geology, rare) The point on the Earth opposite to an epicentre
n
(astrology) The point exactly opposite the vertex.
n
The inhabitants at two points on the globe that share a longitude and for which the sum of their degrees of latitude equals zero.
n
An instrument consisting of graduated metal circles used to represent the motions of celestial bodies around the earth.
n
person or thing found close to the Equator
n
The line joining the North Pole and South Pole about which the Earth rotates daily.
n
(cartography) An azimuthal projection.
n
a projection of the azimuth from the origin to the opposite side of the azimuth circle
n
Alternative spelling of celestial sphere [(astronomy) An abstract sphere of infinite radius which serves as the imaginary backdrop for celestial objects, and of which the visible sky is one hemisphere.]
n
A symbol associated with chaos in certain modern forms of occultism, consisting of a sphere with eight arrows pointing outward from its centre.
n
One of the celestial spheres of the Ptolemaic or geocentric model of the world.
n
At a given point, the angle between the line connecting this point with the geographical center of the earth and the equatorial plane.
n
The angle which the gnomon makes with the substylar line.
v
(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
(American spelling) Alternative form of epicentre [(seismology) The point on the land or water surface directly above the focus, or hypocentre, of an earthquake.]
v
Of an earthquake: to have its epicentre (at a specified location).
adj
Obsolete form of geocentric. [Having the Earth at the center.]
n
The point located at 90 degrees latitude north. The magnetic North Pole (where compasses point) may vary from where the Geographic north pole is.
n
A hollow globe with a map of the world on its inner surface, so as to be examined by one standing inside.
n
A spherical model of Earth or any planet.
n
A spherical model of the Earth, marked out as a map, held at an angle in a frame so that it can be rotated
n
(derogatory, used by flat earthers) Someone who believes the Earth is a sphere.
n
(derogatory, Flat Earth slang) Someone who believes that Earth is round, as opposed to flat.
n
(conspiracy theories, chiefly derogatory, chiefly used by flat-eathers) One who holds that the Earth is globular (by approximation spherical).
n
The index of the hour circle of a globe.
n
The curved surface that lies between two close lines of longitude on a globe
adj
Obsolete form of heliocentric. [(astronomy) Having the sun at the center/centre; usually in reference to a solar system or orbit. [from 17th c.]]
adj
Describing an orbit around the Sun in which the period of revolution is the same as the Sun's period of rotation.
n
(informal, geography, meteorology) The warm, subtropical bands which encircle the globe between approximately 30 and 35 degrees both north and south of the Equator, characterized by high atmospheric pressure and dry variable winds ranging from calm to light.
n
Alternative form of horse latitudes [(informal, geography, meteorology) The warm, subtropical bands which encircle the globe between approximately 30 and 35 degrees both north and south of the Equator, characterized by high atmospheric pressure and dry variable winds ranging from calm to light.]
n
(sports) A zorb; the act of zorbing, entering a zorbing ball, strapping into a harness, and rolling down a hill
n
A realm or sphere of ideas.
n
Obsolete form of longitude. [(geography) Angular distance measured west or east of the prime meridian.]
n
In the restricted three-body problem, a curved path around a Lagrangian point that lies entirely in the plane of the two primary bodies.
n
The point on the Earth where compasses point to. It is constantly drifting and is currently located on Ellesmere Island some 1,000 km from the geographic North Pole.
n
A ring or half-ring with markings in which an artificial globe is installed and may spin.
n
(geography) The Geographic North Pole or Terrestrial North Pole; the northernmost point on Earth, of latitude 90°.
n
(astronomy, geography) The celestial or terrestrial sphere when its axis is oblique to the horizon of the place; or as it appears to an observer at any point on the earth except the poles and the equator.
n
A spherical body; a sphere, especially one of the celestial spheres; a sun, planet, or star
v
(astronomy) To circle or revolve around another object or position.
adj
Of, or pertaining to, the penumbra.
adj
(astronomy) Of or pertaining to a pericentre
adj
(astronomy) Pertaining to the revolution of a celestial object in its orbit.
adj
Of or pertaining to a space curve contained between two concentric spheres with its concave side facing always toward the common centre of the two spheres.
n
One of those who live within a polar circle, whose shadows, during some summer days, will move entirely round, falling toward every point of the compass.
n
The inhabitants of the polar regions, whose shadows, during part of the summer, make a complete revolution.
n
(astronomy) The centre of light production of a dispersed source
adj
(anatomy) Having a plane surface.
adj
Alternative form of planispheric [Of or pertaining to a planisphere.]
n
belief that the Earth's shape is a plane or disk.
n
(planetology) A high-latitude region of a celestial body that is covered by ice.
n
(geography) Either of the two parallels of the Earth located at the latitude of 66° 33′ 44″ N and 66° 33′ 44″ S.
n
A period of darkness that occurs in winter in polar regions north from the Arctic Circle and south from the Antarctic Circle, and during which the sun stays below the horizon.
n
Either of the two points on the earth's surface around which it rotates; also, similar points on any other rotating object.
n
(obsolete) The pole star.
n
The terminating surface of a magnetic pole of a magnet or electromagnet.
n
Either of the places in the southern and northern hemispheres where the lowest air temperatures have been recorded.
n
(nautical) A measuring device with a graduated arc of 90° used in locating an altitude.
n
(semiotics) The sphere of semiosis in which the sign processes operate in the set of all interconnected Umwelts; The domain of all signs that represent and define a culture.
adj
Alternative form of sidereal [Of or relating to the stars.]
adj
(astronomy) Relating to a measurement of time relative to the point of the vernal equinox.
n
(geography) The southernmost point on Earth; that point in Antarctica where Earth's axis of rotation passes through Earth's surface.
n
The temperate zone between the Antarctic Circle and the Tropic of Capricorn.
n
(archaic) Obsolete form of southpole. (pole of a magnet)
n
(astronomy) An idealised conception of the celestial sphere in which the celestial equator is perpendicular to the local horizon and the Sun reaches the zenith at its highest point.
n
(mythology) An area of activity for a planet; or by extension, an area of influence for a god, hero etc.
adj
(astrology) Of or relating to the heavenly orbs, or to the sphere or spheres in which, according to ancient astronomy and astrology, they were set.
n
One who believes that the Earth is a sphere.
adj
(archaic) Of or relating to the celestial spheres.
adj
Having a period greater than that of a synchronous orbit
n
(geography) The parallel of latitude 23°30′south of the equator, marking the southern boundary of the tropics; the sun is directly overhead at the December solstice.
n
A sphere which is smaller than, and in its movements subject to, another; a satellite.
v
To remove from a sphere, as in celestial bodies; to remove from the heavens.
adj
(cartography, of a projection) azimuthal
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