bir milimetrenin milyonda biri (µmm)

listen to the pronunciation of bir milimetrenin milyonda biri (µmm)
Турецкий язык - Английский Язык
(Tıp) micromillimeter
a metric unit of length equal to one billionth of a meter
{i} measure of length that is equal to one millionth of a millimeter
The millionth part of a meter