1. 
   ultramicrotome
   A microtome used in cutting sections 0.1 um thick, or less, for electron microscopy. ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?ultramicrotome
   
   
2. 
   ultramicrotome
   Type: Term Pronunciation: ŭl′tră-mī′krō-tōm Definitions: 1. A microtome used in cutting sections 0.1 mcm thick, or less, for electron microscopy.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=95509
   
   

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