Meteoroid

noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A relatively small (sand- to boulder-sized) fragment of debris in a star system that produces a meteor when it hits the atmosphere
  2. 2
    (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere wordnet

Synonyms

All synonyms
fireballmeteorradiantshooting star

Example

More examples

"A burning meteoroid produces a meteor."

Etymology

From meteor + -oid.

Related phrases

star system

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.