| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024as•tro•labe /ˈæstrəˌleɪb/USA pronunciation n. [countable]- Astronomyan astronomical instrument used in ancient times to determine the position of the sun or stars.
See -astro-. WordReference Random House Unabridged Dictionary of American English © 2024as•tro•labe (as′trə lāb′),USA pronunciation n. - Astronomyan astronomical instrument for taking the altitude of the sun or stars and for the solution of other problems in astronomy and navigation: used by Greek astronomers from about 200 b.c. and by Arab astronomers from the Middle Ages until superseded by the sextant.
- Late Greek astrolábion, Greek astrolábon (neuter of astrolábos, adjective, adjectival used as noun, nominal), equivalent. to ástro(n) star + lab- (variant stem of lambánein to take, seize) + -on neuter suffix
- Medieval Latin astrolabium
- 1325–75; Middle English, variant of astrolabie
Collins Concise English Dictionary © HarperCollins Publishers:: astrolabe /ˈæstrəˌleɪb/ n - an instrument used by early astronomers to measure the altitude of stars and planets and also as a navigational aid. It consists of a graduated circular disc with a movable sighting device
Etymology: 13th Century: via Old French and Medieval Latin from Greek, from astrolabos (adj), literally: star-taking, from astron star + lambanein to take |