English noun: micrometer | |||
1. | micrometer (quantity) a metric unit of length equal to one millionth of a meter | ||
Synonyms | micron | ||
Broader (hypernym) | metric linear unit | ||
Part holonym | micromillimeter, micromillimetre, millimicron, nanometer, nanometre, nm | ||
Part meronym | millimeter, millimetre, mm | ||
2. | micrometer (artifact) caliper for measuring small distances | ||
Synonyms | micrometer caliper, micrometer gauge | ||
Broader (hypernym) | caliper, calliper | ||