ALMUCANTAR


Meaning of ALMUCANTAR in English

in astronomy, any circle of the celestial sphere parallel to the horizon; when two objects are on the same almucantar, they have the same altitude. The term also refers to instruments of a pattern invented by the U.S. astronomer Seth Carlo Chandler for determining latitude or time by observing the times of transit of stars across a fixed almucantar.

Britannica English vocabulary.      Английский словарь Британика.