micrometeorite
1. [ noun ] (astronomy) a meteorite so small that it drifts down to earth without becoming intensely heated in the atmosphere
Synonyms: micrometeoroid micrometeor
Related terms: meteorite
Similar spelling:   micrometeor
  micrometeoritic
  micrometeoric
  micrometeoroid
  micromillimeter
  micrometer_gauge
  micronutrient
  micromillimetre