noun. (astronomy) the common center of mass around which two or more bodies revolve.
- centre of mass
- bary- (English)
- βαρύς (Ancient Greek (to 1453))
- center (English)
- centre (French)
Example sentences of the word barycenter
1. Noun, singular or mass
The Earth is so much larger than the moon that it appears that the moon orbits around it, but the truth is that they orbit around a common center, known as the barycenter.