micrometeor
1. [ noun ] (astronomy) a meteorite so small that it drifts down to earth without becoming intensely heated in the atmosphere
Synonyms: micrometeorite micrometeoroid
Related terms: meteorite
Similar spelling:   micrometeoric
  micrometeoroid
  micrometeorite
  micrometer
  micrometre
  Micromeria
  micronor
  micromicron
  Micromyx
  micronutrient
  Micronase