Protogine

1 definition found

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

  Protogine \Pro"to*gine\, n. [Proto- + root of Gr. gi`gnesqai to
     be born: cf. F. protogyne.] (Min.)
     A kind of granite or gneiss containing a silvery talcose
     mineral.
     [1913 Webster]