noun

orbit

/ˈɔːrbɪt/ · say it: OR·bit

the curved path of an object around a star or planet

In Science & Nature

In more detail

1. (noun) the curved path that an object takes as it moves around another object in space

2. (noun) the area of influence or control

3. (verb) to move in a curved path around something

Examples

1. The Earth's orbit around the Sun takes 365 days.
2. Several countries are within the Russian sphere of orbit.
3. The satellite orbits the planet every 90 minutes.

How to use orbit

Orbit has both literal and figurative uses. In astronomy and space science, it refers specifically to the elliptical or circular path of celestial bodies. Figuratively, it describes one's sphere of influence or activity, as in 'within my orbit of influence.' The verb means to travel in such a path repeatedly, not just once.

Common phrases

enter orbit
go into orbit
lunar orbit
Earth orbit
orbital mechanics
orbit around

Synonyms

trajectory · path · circuit · revolution · course

Word family

orbital (adjective) · orbiter (noun) · orbiting (verb/adjective)

A common mistake

Learners sometimes confuse orbit with rotation; a planet orbits around the sun while rotating on its own axis.

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