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Image:Kepler2.gif|thumb|right|Diagram of a planet's orbit, illustrating Kepler's second law.

English

Etymology

Latin orbita ‘course, track’.

Pronunciation

  • An audio transcript can be found at en-us-orbit.ogg



Noun

  1. A circular or elliptical path of one object around another object.
  2. : The Moon's orbit around the Earth takes nearly one month to complete.
  3. A sphere of influence; an area of control.
  4. : In the post WWII era, several eastern European countries came into the orbit of the Soviet Union.
  5. The course of one's usual progression, or the extent of one's typical range.
  6. : The convenience store was a heavily travelled point in her daily orbit, as she purchased both cigarettes and lottery tickets there.
  7. The bony cavity containing the eyeball; the eye socket.
  8. The path an electron takes around an atom's nucleus
  9. A collection of points related by the evolution function of a dynamical system.


Translations

eye socket See eye socket.

Verb

  1. To circle or revolve around another object.
  2. : The Earth orbits the Sun.
  3. To move around the general vicinity of something.
  4. : The harried mother had a cloud of children orbiting her, asking for sweets.


Synonyms


Translations

Derived terms


See also


Category:Astronomy

zh-min-nan:orbit ca:orbit fa:orbit fr:orbit ko:orbit io:orbit it:orbit hu:orbit ru:orbit fi:orbit sv:orbit ta:orbit te:orbit vi:orbit zh:orbit

GNU Project's publication of CIDE, the Collaborative International Dictionary of English Orbit \Or"bit\, n. [L. orbita a track or rut made by a wheel,
course, circuit, fr. orbis a circle: cf. F. orbite. See 2d
Orb.]
1. (Astron.) The path described by a heavenly body in its
periodical revolution around another body; as, the orbit
of Jupiter, of the earth, of the moon.
[1913 Webster]

2. An orb or ball. [Rare & Improper]
[1913 Webster]

Roll the lucid orbit of an eye. --Young.
[1913 Webster]

3. (Anat.) The cavity or socket of the skull in which the eye
and its appendages are situated.
[1913 Webster]

4. (Zool.) The skin which surrounds the eye of a bird.
[1913 Webster]
WordNet orbit
n 1: the (usually elliptical) path described by one celestial
body in its revolution about another; "he plotted the
orbit of the moon" [syn: celestial orbit]
2: a particular environment or walk of life; "his social sphere
is limited"; "it was a closed area of employment"; "he's
out of my orbit" [syn: sphere, domain, area, field,
arena]
3: an area in which something acts or operates or has power or
control: "the range of a supersonic jet"; "the ambit of
municipal legislation"; "within the compass of this
article"; "within the scope of an investigation"; "outside
the reach of the law"; "in the political orbit of a world
power" [syn: scope, range, reach, compass, ambit]
4: the path of an electron around the nucleus of an atom [syn:
electron orbit]
5: the bony cavity in the skull containing the eyeball [syn: {eye
socket}, cranial orbit, orbital cavity]
v : move in an orbit; "The moon orbits around the Earth"; "The
planets are orbiting the sun"; "electrons orbit the
nucleus" [syn: revolve]
Moby Dictionary
Earth insertion , LEM , LM , O , air lane , ambit , annular muscle ,
annulus , aphelion , apogee , area , arena , areola ,
astronomical longitude , attitude-control rocket , aureole ,
autumnal equinox , bailiwick , ball , ballistic capsule , balloon ,
beat , bladder , blob , boll , bolus , border , borderland , bubble , bulb ,
bulbil , bulblet , burn , capsule , celestial equator ,
celestial longitude , celestial meridian , chaplet , circle , circling ,
circuit , circuiteer , circuition , circuitousness , circuitry ,
circularity , circulate , circulation , circumambience ,
circumambiency , circumambulate , circumambulation , circumference ,
circumflexion , circumlocution , circummigrate , circummigration ,
circumnavigate , circumnavigation , circumvent , circus ,
close the circle , closed circle , colures , come full circle ,
compass , constituency , corona , coronet , course , crown , cycle ,
deep-space ship , demesne , department , describe a circle , deviance ,
deviancy , deviation , deviousness , diadem , digression , discipline ,
discus , disk , docking , docking maneuver , domain , dominion ,
ecliptic , ellipsoid , encircle , encompass , equator , equinoctial ,
equinoctial circle , equinoctial colure , equinox , eternal return ,
excursion , excursus , extension , extent , fairy ring , ferry rocket ,
field , flank , flight path , footing , fuel ship , full circle ,
galactic longitude , garland , geocentric longitude ,
geodetic longitude , geoid , girdle , girdle the globe , globe ,
globelet , globoid , globule , glomerulus , glory , go about , go around ,
go round , go the round , gob , gobbet , great circle , gyre , gyring ,
halo , heliocentric longitude , hemisphere , indirection , injection ,
insertion , itinerary , judicial circuit , jurisdiction , knob , knot ,
lap , lasso , line , logical circle , longitude , loop , looplet ,
lunar excursion module , lunar module , magic circle , make a circuit ,
manned rocket , march , meandering , meridian , module , moon ship ,
multistage rocket , noose , oblate spheroid , orb , orbiting , orblet ,
pale , parking orbit , path , pellet , perigee , perihelion , period ,
precinct , primrose path , prolate spheroid , province , purview ,
radius , reach , realm , reentry , revolution , revolve , ring , road ,
rocket , rondelle , rondure , round , round trip , roundaboutness ,
roundel , rounding , rounds , route , run , saucer , scope , sea lane ,
shortcut , shuttle rocket , skirt , small circle , soft landing ,
solstitial colure , space capsule , space docking , space rocket ,
spacecraft , spaceship , sphere , sphere of influence , spheroid ,
spherule , sphincter , spiral , spiraling , stamping ground ,
subdiscipline , surround , sweep , territory , tour , track ,
trade route , traject , trajectory , trajet , turf , turn , turning ,
vantage , vernal equinox , vicious circle , walk , wheel , wheeling ,
wreath , zodiac , zone


FOLDOC Orbit

A Scheme compiler.

["Orbit: An Optimising Compiler for Scheme", D.A. Kranz et al,
SIGPLAN Notices 21(7):281-292 (Jul 1986)].

(1994-10-28)


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