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Meaning of hydraulic mining

hydrau'lic min'ing

Pronunciation: (hī-drô'li-king, -drol'i-king). [key]
  1. placer mining using a pressurized stream of water. Also called hy&syl;drau&syl;lick&syl;ing
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.