English dictionary

micrometer

/m/aI/'kr/A/m/I/t/@/r/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

a metric unit of length equal to one millionth of a meter

noun.quantity

Synonyms micron

Source: WordNet 3.0
caliper for measuring small distances

noun.artifact

Synonyms micrometer caliper micrometer gauge

Source: WordNet 3.0
An instrument, used with a telescope or microscope, for measuring minute distances, or the apparent diameters of objects which subtend minute angles. The measurement given directly is that of the image of the object formed at the focus of the object glass.

noun

Source: webster1913