synodic
Definition
Adjective: Relating to or involving a synod; specifically, in astronomy, pertaining to the conjunction or alignment of celestial bodies, especially the period between two successive conjunctions of the same bodies (e.g., the Moon and the Sun).
Usage Examples
- (The period based on the Moon's alignment with the Sun.)
- (The time between two identical alignments.)
Advanced Usage
Synodic period: The time it takes for a celestial body to return to the same position relative to the Sun as seen from Earth.
- Mars has a synodic period of approximately 780 days. (The interval between its oppositions.)
Synodic month: The average time between successive new moons.
- The synodic month is used to determine the dates of lunar phases. (The calendar month based on Moon–Sun alignment.)
Variants and Related Words
Synodical (adj): An alternative form of "synodic," used interchangeably.
- The synodical revolution of the Moon is the same as its synodic month. (Another term for the same concept.)
Synod (n): A council or assembly, especially of church officials; in astronomy, a conjunction of celestial bodies.
- The church synod met to discuss doctrine. (A religious assembly.)
Synonyms
- Conjunctive: Relating to or involving conjunction.
- Alignment-based: Pertaining to the alignment of celestial bodies.
Related Idioms