Noun: micrometeorite ,mI-krow'mee-tee-u,rIt
- A meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere
"Micrometeorites constantly rain down on Earth, mostly unnoticed";
- micrometeoroid, micrometeor
Derived forms: micrometeorites
Type of: meteorite
Encyclopedia: Micrometeorite