gangue
noun
ˈgaŋ 
: the worthless rock or vein matter in which valuable metals or minerals occur
Word History
Etymology
borrowed from French, going back to Middle French, borrowed from German Gang "walk, course, passageway, mineral vein or seam," going back to Old High German gang "walk, course" — more at gang entry 1
First Known Use
1809, in the meaning defined above
- stereobates
- stereobatic
- stereoblastula
- stereochemical
- stereochemistries
- stereochemistry
- stereochromatic
- stereochromatically
- stereochrome
- stereochromes
- stereochromic
- stereochromically
- stereochromies
- stereochromy
- stereocomparagraph
- stereocomparator
- stereoed
- stereoer
- stereoest
- stereofluoroscope
- stereofluoroscopic
- stereofluoroscopy
- stereogastrula
- stereogram
- stereograms