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micrometeoroid

noun mi·cro·me·te·or·oid \-ˈmē-tē-ə-ˌrȯid\

Definition of MICROMETEOROID

: micrometeorite 2

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First Known Use of MICROMETEOROID

1961

Learn More About MICROMETEOROID

Britannica.com: Encyclopedia article about "micrometeoroid"

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