Definitions

1. adjective

Not related to or happening at the same time as the synodic period of a celestial body, especially the Moon.

“The nonsynodic month of the Moon is about 27.3 days, which is the time it takes to return to the same position in the sky.”

2. adjective

Not conforming to or related to the synodic period of a celestial body.

“The nonsynodic orbit of the asteroid is a unique feature that distinguishes it from other celestial bodies.”

3. noun

A period or cycle of time that is not related to the synodic period of a celestial body.

“The nonsynodic cycle of the planet’s rotation is a complex phenomenon that has been studied extensively by astronomers.”