Definition, Meaning & Synonyms

evection

noun
/ɪˈvɛkʃən/
Definition
The deviation of a planet’s orbit from a perfect ellipsis, usually due to gravitational influences.
Examples
  • The evection of the moon has significant implications for its visibility from Earth.
  • Scientists study evection to better understand planetary movements.
  • Evection can affect the timing of eclipses and other celestial events.
Meaning
Evection refers to the phenomenon where a celestial body’s orbit can be slightly altered from its typical path, primarily influenced by the gravitational pull of other bodies. This term is commonly used in astronomical contexts.
Synonyms
  • Orbital deviation
  • Gravitational perturbation
  • Celestial shift