| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024as•ter•oid /ˈæstəˌrɔɪd/USA pronunciation n. [countable]- Astronomyany of the small, solid bodies that revolve about the sun in orbit chiefly between Mars and Jupiter.
See -astro-. WordReference Random House Unabridged Dictionary of American English © 2024as•ter•oid (as′tə roid′),USA pronunciation n. - AstronomyAlso called minor planet. any of the thousands of small bodies of from 480 miles (775 km) to less than one mile (1.6 km) in diameter that revolve about the sun in orbits lying mostly between those of Mars and Jupiter.
- Invertebrates[Zool.]an asteroidean;
a starfish.
adj. - starlike.
- Greek asteroeidé̄s starry, starlike. See asterisk, -oid
- 1795–1805
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