Meaning of MICROMETER in English

MICROMETER

n.

Pronunciation: ' m ī -kr ō - ˌ m ē -t ə r

Function: noun

Etymology: International Scientific Vocabulary micr- + 3 meter

Date: 1880

: a unit of length equal to one millionth of a meter ― called also micron ― see METRIC SYSTEM table

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.