From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
millimeter /mˈɪlɪmˌiːtə/ (mm /ˌɛmˈɛm/)
Millimeter <masc, neut>mm, /ˌɛmˈɛm/
Synonym: millimetre
see: metre, meter, metres, meters, kilometre, kilometer, hectometre, hectometer, decameter, decimetre, decimeter, centimetre, centimeter, micrometre, micrometer, micron, nanometre, nanometer, picometre, picometer, femtometre, femtometer, fermi, serial meter