Lexicon
- term: copper theft
- term: copper trade
- term: core shack
- term: corrosion resistance
- term: Cost & Freight
- term: Cost, Insurance and Freight
- term: covellite
- term: crustal abundance
- term: cuprite
- term: dry-type transformers
- term: ecodesign
- term: Ecodesign requirements for Sustainable Products Regulation
- term: ecotoxicity (freshwater)
- term: efficient market
- term: electrification
- term: embodied carbon
- term: enargite
- term: End-Of-Life Recycling Input Rate
- term: Energy Efficiency Directive (EED)
- term: eutrophication (freshwater)
- term: eutrophication (freshwater)
- term: eutrophication (marine)
- term: eutrophication (marine)
- term: eutrophication (terrestrial)
- term: eutrophication (terrestrial)
- term: exploration targets
- term: Falun Mine
- term: first use (of cathode)
- term: flexible conductors
- term: flotation