Word forms: plural, 3rd person singular presenttense orbits, present participle orbiting, past tense, past participle orbited
1. variable noun [oft in/intoN]
An orbit is the curved path in space that is followed by an object going round and round a planet, moon, or star.
Mars and Earth have orbits which change with time.
The planet is probably in orbit around a small star.
2. verb
If something such as a satellite orbits a planet, moon, or sun, it moves around it in a continuous, curving path.
In 1957 the Soviet Union launched the first satellite to orbit the Earth. [VERB noun]
Synonyms: circle, ring, go round, compass More Synonyms of orbit
3. singular noun [with supplement, oft with poss]
The orbit of a particular person, group, or institution is the area over which they have influence.
He is a man who still commands enormous respect within the orbit of football clubmanagement.
More Synonyms of orbit
orbit in British English
(ˈɔːbɪt)
noun
1. astronomy
the curved path, usually elliptical, followed by a planet, satellite, comet, etc, in its motion around another celestial body under the influence of gravitation
2.
a range or field of action or influence; sphere
he is out of my orbit
3. anatomy
the bony cavity containing the eyeball
Nontechnical name: eye socket
4. zoology
a.
the skin surrounding the eye of a bird
b.
the hollow in which lies the eye or eyestalk of an insect or other arthropod
5. physics
the path of an electron in its motion around the nucleus of an atom
verb
6.
to move around (a body) in a curved path, usually circular or elliptical
7. (transitive)
to send (a satellite, spacecraft, etc) into orbit
8. (intransitive)
to move in or as if in an orbit
Word origin
C16: from Latin orbita course, from orbis circle, orb
orbit in American English
(ˈɔrbɪt)
noun
1.
the bony cavity containing the eye; eye socket
2.
a.
the actual or imaginary path taken by a celestial body during its periodic revolution around another body
b.
the path taken by an artificial satellite or spacecraft around a celestial body
3.
the range of one's experience or activity; ordinary course of life
4. Zoology
the skin around the eye of a bird
verb intransitive
5.
to move in an orbit or circle
verb transitive
6.
to put (a satellite or spacecraft) into an orbit in space
7.
to move in an orbit around
Derived forms
orbital (ˈorbital)
adjective
Word origin
MFr orbite < ML orbita < L, path, track < orbis, a circle, wheel; (sense 2) L orbita
Examples of 'orbit' in a sentence
orbit
This is not one star but two in tight orbit around each other.
Times, Sunday Times (2016)
He is the sun; the other dancers orbit around him.
Times, Sunday Times (2016)
A number of future political stars entered his orbit.
Times, Sunday Times (2016)
This confirms that it orbits the two stars.
Times, Sunday Times (2011)
The same small telescope will also show the four brightest moons as they orbit around the planet.
Times, Sunday Times (2011)
Could some of the planets orbiting other stars harbour beings that we could recognise as intelligent?
Times, Sunday Times (2010)
There is no evidence low earth orbit has any effect.
Times, Sunday Times (2016)
Many planets have highly elliptical orbits that would cause huge temperature variations.
Times, Sunday Times (2011)
The largest known planet that orbits another star has been discovered.
Times, Sunday Times (2007)
An astronaut orbiting 230 miles high grabbed his camera to capture the cloudless scene.
The Sun (2011)
Japan was the third area to enter the Chinese orbit.
Stearns, Peter N. World History: Patterns of Change and Continuity (1995)
In space the animals were kept in five containers that automatically opened after reaching orbit and closed once it was time to return.
Times, Sunday Times (2013)
Then how about a stay in the galaxy's very first hotel in orbit?
Times, Sunday Times (2007)
We have a change in the shape of the orbit which takes around 100,000 years to complete.
Radford, Tim & Leggett, Jeremy The Crisis of Life on Earth - our legacy from the second millenium (1990)
It will orbit the Moon for one year.
Times, Sunday Times (2006)
This mass began to orbit the planet, forming our moon.
Michael Boulter EXTINCTION: Evolution and the End of Man (2002)
In fact the eccentricity of the earth's elliptical orbit has only a minor effect on the seasons.
Fisher, David E. Fire and Ice - the Greenhouse Effect, Ozone Depletion, and Nuclear Winter (1990)
Recent upgrades on Earth mean that the laser teams can measure the lunar orbit to within a few millimetres.
Times, Sunday Times (2009)
We are the only country to have attained the capacity to reach earth's orbit and then renounced it.
Times, Sunday Times (2015)
Like Earth, it orbits a sun at the right distance to make life possible.
The Sun (2012)
It has become one of more than 20,000 items of space junk whose unstable low orbits mean they will one day hurtle back to the surface.
Times, Sunday Times (2016)
As it passes by the Sun it will disturb the comet orbits and cause a comet shower, just as an alien star would do.
Dyson, Freeman Infinite in All Directions (1989)
In other languages
orbit
British English: orbit NOUN
An orbit is the curved path in space that is followed by an object going round and round a planet, moon, or star.
Mars and Earth have orbits which change with time.
American English: orbit
Brazilian Portuguese: órbita
Chinese: > 轨道天体运行的
European Spanish: órbita
French: orbite
German: Umlaufbahn
Italian: orbita
Japanese: 軌道
Korean: 궤도
European Portuguese: órbita
Latin American Spanish: órbita
British English: orbit VERB
If something such as a satellite orbits a planet, moon, or sun, it moves around it in a continuous, curving path.
They launched the first satellite to orbit the earth.