English noun: micromillimeter | |||
| 1. | micromillimeter (quantity) a metric unit of length equal to one billionth of a meter | ||
| Synonyms | micromillimetre, millimicron, nanometer, nanometre, nm | ||
| Broader (hypernym) | metric linear unit | ||
| Part holonym | A, angstrom, angstrom unit | ||
| Part meronym | micrometer, micron | ||