Dystome

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Dystome \Dys"tome\, a. [Gr. dys- ill, hard + tomo`s cutting,
     diate`mnein to cut.] (Min.)
     Cleaving with difficulty.
     [1913 Webster]
  
     Note: Datolite was called dystome spar by Mohs. Dysuria