The definition of gangue is worthless rock or mineral in which valuable minerals are found.
An example of gangue is the rock surrounding a deposit of gold.
the commercially worthless mineral matter associated with economically valuable metallic minerals in a deposit
Origin of gangueFrench ; from German gang, metallic vein, passage, literally , a going, akin to gang
Worthless rock or other material in which valuable minerals are found.
Origin of gangueFrench, from German Gang, lode, from Middle High German ganc, from Old High German gang, a going.
(countable and uncountable, plural gangues)