meteoroid
nounEtymology From meteor + -oid.
1
Astronomy, Natural sciences A relatively small (sand- to boulder-sized) fragment of debris in a star system that produces a meteor when it hits the atmosphere
- Derived terms
- micrometeoroid, meteoroidal
- Related terms
- meteor, meteorite, meteoritic, meteoriticist, meteoritics, meteorology
- Hypernyms
- celestial object
- Hyponyms
- micrometeoroid