melaphyre

1 definition found

melaphyre - Collaborative International Dictionary of English v.0.48 :

  Melaphyre \Mel"a*phyre\, n. [F., fr. Gr. me`las, me`lanos, black
     + porphyre porphyry.] (Min.)
     Any one of several dark-colored augitic, eruptive rocks
     allied to basalt.
     [1913 Webster]