micrometeorite

noun mi·cro·me·te·or·ite \ˌmī-krō-ˈmē-tē-ə-ˌrīt\

Definition of MICROMETEORITE

: a meteorite so small that it can pass through the earth's atmosphere without becoming intensely heated

: a very small particle in interplanetary space

— mi·cro·me·te·or·it·ic \-ˌmē-tē-ə-ˈri-tik\ adjective

See micrometeorite defined for kids

1949

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