Pyrognostic

1 definition found

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

  Pyrognostic \Pyr`og*nos"tic\, a. [Pyro- + Gr. ? to know.] (Min.)
     Of or pertaining to characters developed by the use of heat;
     pertaining to the characters of minerals when examined before
     the blowpipe; as, the pyrognostic characters of galena.
     [1913 Webster]