asteroid
/ˈæst(ə)ɹɔɪd/ noun B2- A naturally occurring solid object, which is smaller than a planet and a dwarf planet, larger than a meteoroid and not a comet, that orbits a star and often has an irregular shape.
- In the Solar System, such a body that orbits within the orbit of Jupiter.
Plural asteroids
From the library
Is he not the celebrated author of The Dynamics of an Asteroid, a book which ascends to such rarefied heights of pure mathematics that it is said that there was no man in the scientific press capable of criticizing it?
Other matches
Learn asteroid in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.