| 释义 |
al·mu·can·tar
\|almyü|kantə(r)\ noun
also al·ma·can·tar \-mə-\
(-s)
Etymology: alteration (probably influenced by Medieval Latin almucantarath) of earlier almicanter, from Middle English almicanteras (plural), from Middle French almicantarath, from Medieval Latin almicantarath, almucantarath, from Arabic al-muqanṭarāt the almucantars, from al- the + muqanṭarāt, plural of muqanṭarah almucantar, sundial, from qanṭarah bridge, arch
1. : a small circle of the celestial sphere parallel to the horizon and connecting all points of equal altitude
< two stars on the same almucantar >
2. : a telescope mounted on a mercurial float and used for observing the heavenly bodies as they cross a given almucantar |