micromillimetre

Noun micromillimetre has 1 sense

• micromillimetre(n = noun.quantity) micromillimeter, millimicron, nanometer, nanometre, nm - a metric unit of length equal to one billionth of a meter;
is a kind of metric linear unit
has parts: a, angstrom, angstrom unit
is a part of micrometer, micron