One of the mysteries of the English language finally explained.
1Relating to an orbit or orbits.
- ‘If the orbital velocity is increased, the orbit moves outward from the Sun; if the velocity is decreased, the orbit moves inward toward the Sun.’
- ‘A list of all the phases of flight that a reusable orbital launcher must successfully transit is truly daunting.’
- ‘Kepler's third law of planetary motion says that the square of the planet's orbital period is proportional to the cube of its semimajor axis.’
- ‘Unlike the Soyuz, the orbital module was equipped with its own propulsion, solar power, and control systems, allowing autonomous flight.’
- ‘Suborbital and orbital transportation, however, do not require any property rights.’
- ‘This nearly polar orbit is designed such that the spacecraft's orbital path moves at the same apparent rate as the Sun.’
- ‘In fact, all the planets orbit the sun close to such a fixed orbital plane.’
- ‘With its emphasis on accurate space flight simulation and orbital mechanics, Orbiter is not all things to all space and astronomy enthusiasts.’
- ‘Instead, Virgin is looking at the possibility of orbital spaceflight.’
- ‘Objects in orbit change orbital paths fairly often.’
- ‘If there is sufficient interest, I will then examine the effects of orbital flight and orbital operations.’
- ‘After his orbital flight, Gagarin made many public appearances and in 1966 began training for a Soyuz flight.’
- ‘Planetary mass, size, and orbital dynamics are the properties that make up this second proposed definition.’
- ‘Many asteroids are members of groups with very similar orbital shapes, tilts, and solar distances.’
- ‘Its slightly elongated orbit takes it around the star in about 13 years, comparable to Jupiter's orbital period of 11.86 years.’
- ‘This creates increased atmospheric drag on spacecraft in low orbits, shortening their orbital lifetime.’
- ‘Another problem with comets is that, unlike their asteroid cousins, their orbital parameters are often poorly known and therefore difficult to project into the future to see if they pose any threat.’
- ‘It was quickly realized that a previously known anomaly in the orbital motion of Mercury was explicable with the relativistic theory.’
- ‘Hubble and other orbital observatories may join in too.’
- ‘Currently, orbital spaceflight is available to those who are willing to pay the price.’
- 1.1British (of a road) passing round the outside of a town.
- ‘The M60 ‘missing link’ between Middleton and Denton opened in October 2000 and was the final piece in Manchester's orbital motorway.’
- ‘The road turned out to be La Periphique, the orbital motorway that has been built more or less precisely on the boundary between the city of Paris and its suburbs.’
- ‘Plans for a new orbital road around Ballina are moving forward and a display of the proposals will be made for the general public early next month.’
- ‘On February 1st they kick-started the tendering process for the extension of the M77 to Fenwick and the creation of the new Glasgow southern orbital road.’
- ‘Plans were shelved at that time until the Blackburn orbital route was complete.’
- ‘Up to 400 horseboxes could be involved, potentially bringing the orbital motorway to a standstill.’
- ‘The city is physically contained by the orbital M25 motorway with its 31 junctions.’
- ‘Until now, traffic travelling from the Preston Old Road side of town has been directed either through the town centre or round the orbital route.’
- ‘Minister Parlon said the site in question was strategically located near the partially completed orbital road which makes it more attractive for locating the Department of Agriculture headquarters on, he added.’
- ‘Work should start in the summer, and will mean the end of a rat-run used by motorists trying to avoid traffic lights on the town centre orbital route.’
- ‘It is set off the main road from London to Portsmouth, the naval town on the south coast, and nowadays the intersection of this road and the London orbital motorway lies in Ockham Wood.’
- ‘Motorists have been given diversions through Mill Hill or the orbital route and traffic jams are expected.’
- ‘It is thought that a fully completed, two-way orbital route will also make the town centre more attractive.’
- ‘A report by banking group Halifax revealed that the top 30 towns for price growth were all outside the M25 London orbital motorway, and Brighouse headed the list.’
- ‘Apple has confirmed its third UK retail location: the Bluewater shopping centre in Kent, just outside London's M25 orbital freeway.’
- ‘A young, obese psychic spends her days driving the orbital road surrounding London, pulling up at struggling community halls or greasy steakhouses to perform stage shows.’
- ‘Despite Mum's apprehensions we made the motorway journey from Little Walden (north of Cambridge) down to the London orbital road and out to Portsmouth without a hiccup.’
- ‘The contract will in effect involve the widening of all the remaining three-lane sections of the M25 to four lanes, and cover 100 km of the London orbital motorway.’
- ‘Before the shake-up of Blackburn's roads to create the orbital route in 2001, Freckleton Street bridge carried traffic from King Street to Bolton Road.’
- ‘London's orbital M25, between junctions five and 21, was the worst followed by the A303 from Andover, Hampshire, onwards.’
- ‘The concept of an orbital road around the capital had been discussed since the Royal Commission on London Traffic in 1905.’
1British An orbital road.
- ‘The M25, the London orbital where traffic moves so slowly that it has basically become the world's largest carpark, was even busier than usual this weekend.’
Each of the actual or potential patterns of electron density which may be formed in an atom or molecule by one or more electrons, and can be represented as a wave function.
- ‘The ground state of the molecule is that in which the bonding electrons are in the molecular orbitals of lowest energy.’
- ‘In addition, it can also lead to daunting calculations as each atom contributes its orbitals to the whole molecule.’
- ‘It is also possible for two orbitals on each atom to overlap, forming two molecular orbitals between the two atoms.’
- ‘The effect is due to the distortion of the electron orbitals because of the magnetic field.’
- ‘In chemical reactions, it is the electrons in these orbitals that form or break bonds between different atoms.’
Mid 16th century (referring to the eye socket): probably from medieval Latin orbitalis, from Latin orbita (see orbit).
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