micrometeoroid
English
Etymology
micro- + meteoroid (micro- + meteor + -oid)
Noun
micrometeoroid (plural micrometeoroids)
- (astronomy, geology) an extraterrestrial particle less than a millimeter in size
Related terms
- micrometeorite
- meteoroid
- meteor
- meteoroidal
- meteoritic
- meteoritics
Translations
astronomy: extraterrestrial particle less than a millimeter in size
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