Alunogen

1 definition found

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

  Alunogen \A*lu"no*gen\, n. [F. alun alum + -gen.] (Min.)
     A white fibrous mineral frequently found on the walls of
     mines and quarries, chiefly hydrous sulphate of alumina; --
     also called feather alum, and hair salt.
     [1913 Webster]