Noun: micromillimeter ,mI-krow'mi-lu,mee-tur
Usage: US (elsewhere: micromillimetre)
Usage: US (elsewhere: micromillimetre)
- A metric unit of length equal to one billionth of a meter
"The thickness of the coating was 50 micromillimeters";
- nanometer [US], nanometre [Brit, Cdn], nm, millimicron [Brit], micromillimetre [Brit, Cdn]
Derived forms: micromillimeters
Type of: metric linear unit
Part of: micrometer[2] [US], micrometre [Brit, Cdn], micron
Encyclopedia: Micromillimeter