Gangue

//ɡæŋ// noun

Definitions

Noun
  1. 1
    The earthy waste substances occurring in metallic ore. countable, uncountable

    "Thus the percentage recovery of metal from the ore was much higher than in the primitive process where the semi-vitrified gangue and half-smelted ore are typically rich in prills of copper and copper minerals."

Etymology

Borrowed from French gangue. Doublet of gang.

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