orbit

• مسار منحنٍ، غالباً بيضاوي الشكل، يتحرك على طوله جرم سماوي أو قمر صناعي حول جسم أكبر منه بفعل الجاذبية.

A noun referring to the curved path, typically elliptical, that a celestial body or artificial satellite follows around a larger body due to gravitational attraction.

1. Celestial pathB2formalscientific

   The curved path of a celestial object or spacecraft around a star, planet, or moon.

   مدار

   • The Earth completes one orbit around the Sun every 365 days.
   • The satellite was placed into a low Earth orbit.
   • The moon's orbit is gradually expanding.

   المرادفاتcircuitcoursepathtracktrajectory

2. Electron pathC1formalscientific

   The path of an electron around the nucleus of an atom.

   مدار الإلكترون

   • Electrons move in specific orbits around the nucleus.
   • The energy level of an atom depends on the electron's orbit.
   • Quantum mechanics describes electron orbits as probability clouds.

   المرادفاتelectron shellenergy levelshell

3. Sphere of influenceB2informal

   The range or area of someone's or something's influence or activity.

   مجال النفوذ

   • The new policy fell outside the manager's orbit of responsibility.
   • She operates within the orbit of the fashion industry.
   • His ideas were far outside the orbit of mainstream science.

   المرادفاتambitcompassdomainfieldprovincepurviewrangereachscopesphere

• فعل يُستخدم لوصف الحركة في مسار منحنٍ حول جرم سماوي أو جسم ما، عادةً بفعل الجذب الثقالي. ويُستعمل أيضا بمعنى الدوران أو الالتفاف حول شيء ما.

A verb used to describe the act of moving in a curved path around a celestial body or object, typically due to gravitational attraction.

1. Move around a celestial bodyB2formalscientific

   To travel around a star, planet, or moon in a curved path due to gravitational attraction.

   يدور حول جرم سماوي

   • The Moon orbits the Earth every 27.3 days.
   • The satellite will orbit the planet for two years.
   • Astronauts observed how the spacecraft orbited the space station.

   المرادفاتcirclecircumnavigateencirclelooprevolve

2. Travel in a circular pathB2formalscientific

   To move in a circular or elliptical path around a central point or object.

   يدور في مدار

   • Electrons orbit the nucleus of an atom.
   • The comet orbits the Sun once every 75 years.
   • The telescope tracked the asteroid as it orbited the solar system.

   المرادفاتcirclecircumnavigateencirclelooprevolve