| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024-astro-, root. - Aerospace, Astronomy-astro-, or -aster-, comes from Greek, where it has the meanings "star;
heavenly body;
outer space.'' These meanings are found in such words as: aster, asterisk, asteroid, astrology, astronomy, astronaut, astronautics, disaster.
WordReference Random House Unabridged Dictionary of American English © 2024astro-, - Aerospace, Astronomya combining form with the meaning "pertaining to stars or celestial bodies, or to activities, as spaceflight, taking place outside the earth's atmosphere,'' used in the formation of compound words:astronautics; astrophotography.
Cf. cosmo-. - Greek, combining form of ástron a star, constellation, akin to asté̄r star; compare aster, -aster2
Collins Concise English Dictionary © HarperCollins Publishers:: astro- combining form - indicating a heavenly body, star, or star-shaped structure: astrology, astrocyte
Etymology: from Greek, from astron star |