micrometeoroid

M3I1C3R1O1M3E1T1E1O1R1O1I1D2

noun

an extraterrestrial particle less than a millimeter in size

Scrabble 21

Meanings

nounmicrometeoroid (plural micrometeoroids)

plural micrometeoroids

  1. astronomyan extraterrestrial particle less than a millimeter in size

Synonyms & antonyms

nouna meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere

Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*mey-der.?
  2. Ancient Greekμῑκρός (mīkrós)
  3. Ancient Greekμῑκρο- (mīkro-)
  4. Englishmicro-
  5. Englishmeteor
  6. Proto-Indo-European*weyd-
  7. Proto-Indo-European*wéydos
  8. Proto-Hellenic*wéidos
  9. Ancient Greekεἶδος (eîdos)
  10. Englishmeteoroid
  11. Englishmicrometeoroid

From micro- + meteoroid.

Full word history & related roots →

Translations

German Mikrometeorit
  • Mikrometeoritastronomy: extraterrestrial particle less than a millimeter in size
Icelandic geimarða
  • geimarðaastronomy: extraterrestrial particle less than a millimeter in size
Turkish mikrometeorit
  • mikrometeoritastronomy: extraterrestrial particle less than a millimeter in size
Cite this entry
APA

micrometeoroid. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/micrometeoroid

MLA

“micrometeoroid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/micrometeoroid. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “micrometeoroid,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/micrometeoroid.

Source: micrometeoroid on Wiktionary, CC BY-SA 4.0.