Entry from US English dictionary
Definition of vertical circle in English:
A great circle of the celestial sphere whose diameter runs from zenith to nadir.
- The three vertical circle detail is very uniting.
- These vertical circles are more obvious at the surface.
- Alcabitius, which uses vertical circles, bears the name of the 12 th-century Arabian astrologer, Alchabitus.
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.