Definition of micrometeorite
1 : a meteorite so small that it can pass through the earth's atmosphere without becoming intensely heated
2 : a very small particle in interplanetary space
micrometeoriticplay \-ˌmē-tē-ə-ˈri-tik\ adjective
Recent Examples of micrometeorite from the Web
Its main job is to keep the craft from being punctured by micrometeorites like an expensive balloon.
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First Known Use of micrometeorite
Learn More about micrometeorite
Britannica.com: Encyclopedia article about micrometeorite
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