Definition of "tailings" []

• The waste that remains after the minerals have been extracted from an ore by ore dressing; gangue, slimes (noun)
• Plural form of tailing. (noun)

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• "Finally, the waste product-known in the industry as "tailings" - is deposited in man-made ponds where further refining is done before the water is then discharged into the local watershed."
• "So they store it in what's called tailings ponds, though the word pond hardly does them justice."
• "Now that the top of the mesa was shaved off, the tailings were the tallest point around."