orbital
adj. · n.-
1 space and planets (adj.) B2 Upper Intermediate Sciencerelating to the path of an object moving around a planet, moon, or star.
relating to or following the path of an orbit, particularly of a celestial body or spacecraft.
ExampleThe satellite reached its orbital position and began sending signals back to Earth.
ExampleEngineers calculated the precise orbital velocity required to maintain a stable position above the equator without falling back into the atmosphere.
UsageUsually placed before the noun.
-
2 around a city (adj.) C1 Advanced British Englishdescribing a road or railway that goes around the outside of a city.
describing a transport route, such as a motorway or railway line, that circles the periphery of an urban area.
ExampleTraffic was heavy on the orbital motorway during the morning rush hour.
ExampleThe construction of the new orbital road was intended to divert heavy freight traffic away from the historic city centre.
UsageCommonly used in British English to describe ring roads.
- peripheral
- circumferential
- ring road
Show 2 more sensesShow fewer
-
3 the eye socket (adj.) C1 Advanced Technical Medicinerelating to the bony hole in the skull where the eye sits.
relating to the orbit or eye socket of the skull.
ExampleThe boxer suffered an orbital fracture during the final round of the fight.
ExampleThe surgeon carefully examined the orbital floor to ensure no nerve damage had occurred during the impact.
UsageUsed primarily in medical and anatomical contexts.
-
4 electron path (n.) C2 Proficiency Technical Sciencea mathematical description of where an electron is likely to be in an atom.
a mathematical function describing the location and wave-like behaviour of an electron in an atom.
ExampleIn chemistry class, we learned how electrons fill different orbitals.
ExampleThe overlapping of atomic orbitals is a fundamental concept in understanding the formation of covalent bonds between atoms.
- electron cloud
Borrowed from Medieval Latin orbitālis, from orbita (“a track or rut; a circuit, orbit”) + -ālis (“-al”, adjectival suffix), equivalent to orbit + -al. Doublet of orbitalis.