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micrometeoroid

noun

micrometeoroid

noun

Etymology From micro- + meteoroid.

1

Astronomy, Geography, Geology, Natural sciences an extraterrestrial particle less than a millimeter in size

Related terms
meteor, meteoritic, meteoritics, meteoroid, meteoroidal, micrometeorite

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.