 micrometeoroid |
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| 1. | [ noun ] (astronomy) a meteorite so small that it drifts down to earth without becoming intensely heated in the atmosphere | |
| Synonyms: | micrometeorite micrometeor | |
| Related terms: | meteorite | |
| Similar spelling: |
micrometeor micrometeoric micrometeorite micrometeoritic micromillimeter micrometer_gauge micromillimetre |
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