almucantar

About 0.00 uses per million words.

Meaning

1. noun A small circle on the celestial sphere, parallel to the horizon, that is used in astronomy and navigation to show altitude of a star or any other heavenly body.
2. noun An instrument for observing the heavenly bodies as they cross such a circle.

Similar words

mural circle uranometry azimuth circle vertical circle amplitude asterism arclet armillary sphere rete

Often followed by

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