ORBIT

scope, range, reach, orbit, compass, ambit

(noun) an area in which something acts or operates or has power or control: “the range of a supersonic jet”; “a piano has a greater range than the human voice”; “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”

orbit, celestial orbit

(noun) the (usually elliptical) path described by one celestial body in its revolution about another; “he plotted the orbit of the moon”

orbit, electron orbit

(noun) the path of an electron around the nucleus of an atom

sphere, domain, area, orbit, field, arena

(noun) 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”

orb, orbit, revolve

(verb) move in an orbit; “The moon orbits around the Earth”; “The planets are orbiting the sun”; “electrons orbit the nucleus”

Source: WordNet® 3.1

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Etymology

Noun

orbit (countable and uncountable, plural orbits)

A circular or elliptical path of one object around another object, particularly in astronomy and space travel.

A sphere of influence; an area of control.

The course of one's usual progression, or the extent of one's typical range.

(anatomy) The bony cavity containing the eyeball; the eye socket.

(physics) A mathematical function that describes the wave-like behavior of an electron in an atom; area of the highest probability of electron´s occurrence around the atom's nucleus.

(mathematics) A collection of points related by the evolution function of a dynamical system.

(geometry, group theory) The subset of elements of a set X to which a given element can be moved by members of a specified group of transformations that act on X.

(informal) A state of increased excitement, activity, or anger.

(pinball) A path for the ball on the outer edge of the playfield, usually connected so that the ball entering in one end will come out of the other.

Usage notes

When referring to astronomical orbits, "in orbit" and "on orbit" have somewhat different meanings. In general, a body is said to be "in orbit" if it is in freefall going around another body; while something happens "on orbit" if it occurs aboard an orbiting spacecraft. Thus one might say, "The space capsule is in orbit, and the astronauts inside are performing experiments on orbit."

Hyponyms

• bound orbit

• halo orbit

• unbound orbit

Verb

orbit (third-person singular simple present orbits, present participle orbiting, simple past and past participle orbited)

To circle or revolve around another object.

To move around the general vicinity of something.

To place an object into an orbit around a planet.

Synonyms

• (move around the general vicinity of): circumambulate, tag along

• (place an object into an orbit): launch

Antonyms

• deorbit

Anagrams

• tribo-

Source: Wiktionary

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Or"bit, n. Etym: [L. orbita a track or rut made by a wheel, course, circuit, fr. orbis a circle: cf. F. orbite. See 2d Orb.]

1. (Astron.)

Definition: 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.

2. An orb or ball. [Rare & Improper] Roll the lucid orbit of an eye. Young.

3. (Anat.)

Definition: The cavity or socket of the skull in which the eye and its appendages are situated.

4. (Zoöl.)

Definition: The skin which surrounds the eye of a bird.

Source: Webster’s Unabridged Dictionary 1913 Edition

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