 micromillimetre |
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| 1. | [ noun ] a metric unit of length equal to one billionth of a meter | |
| Synonyms: | nanometre millimicron micromillimeter nm nanometer | |
| Related terms: | metric_linear_unit micron A | |
| Similar spelling: |
micromillimeter micrometeoric micrometeoroid micrometeorite micrometeoritic micrometer_gauge |
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