1. 
   Micromillimeter
   Mi`cro·mil'li·me`ter noun [ Micro- + millimeter .] The millionth part of a meter.
   Found op http://www.encyclo.co.uk/webster/M/62
   
   
2. 
   Micromillimeter
   • (n.) The millionth part of a meter.
   Found op http://thinkexist.com/dictionary/meaning/micromillimeter/
   
   
3. 
   micromillimeter
   1) Metric linear unit 2) Micromillimetre 3) Millimicron 4) Nanometer 5) Nanometre 6) Nm
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/micromillimeter/1
   
   

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