micrometeorite n a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere Usage(s) A delicate microphone listens for vibrations set up in the satellite's steel skin when it is hit by a micrometeorite. They also reloaded their solar-telescope array with fresh film and set up a micrometeorite-measuring experiment. From its hull, he detached an instrument that had recorded micrometeorite impacts during Agena's four months in orbit. Synonym(s) micrometeoroid micrometeor
News & Articles micrometeorite Our Best Explainers of 2013 From death by micrometeorite to living without gluten, Gizmodo has explored more than 50 everyday scientific mysteries throughout this year. Here are our ten best. Read more... Dec. 20, 2013 - Gizmodo