# gangue

Pronunciation: US say "GANG" /ɡæŋ/; UK

## Noun

1. The earthy, worthless material that occurs mixed together with metallic ore.
   - Simple: The worthless rock and earth mixed in with valuable metal ore.
   - _The mill separates valuable ore from gangue using a series of flotation tanks._
   - _Heaps of discarded gangue piled up beside the processing plant._

## Origin

Borrowed from French "gangue". It is a doublet of "gang".

Source: DictionaryAI, https://dictionaryai.com/define/gangue (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).