Flemming's fluid
noun
Flem·ming's fluid
variants or Flemming's solution
ˈflemiŋz-,
-mēŋz-
: a fixing fluid composed of osmium tetroxide, chromic anhydride, and acetic acid in aqueous solution and used in microscopy chiefly for preserving details of cells
Word History
Etymology
after Walther Flemming †1905 German anatomist and cytologist