hydraulic mining
Hushing Hush"ing, n. (Mining) The process of washing ore, or of uncovering mineral veins, by a heavy discharge of water from a reservoir; flushing; -- also called {booming} and {hydraulic mining}. [1913 Webster +PJC]

The Collaborative International Dictionary of English. 2000.

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  • Hydraulic mining — Hydraulic mining, or hydraulicking, is a form of mining that employs water to dislodge rock material or move sediment. Previously, the use of a large volume of water had been developed by the Romans to remove overburden and then gold bearing… …   Wikipedia

  • Hydraulic mining — Hydraulic Hy*drau lic, a. [F. hydraulique, L. hydraulicus, fr. Gr. ?, ?, a water organ; y dwr water + ? flute, pipe. See {Hydra}.] Of or pertaining to hydraulics, or to fluids in motion; conveying, or acting by, water; as, an hydraulic clock,… …   The Collaborative International Dictionary of English

  • hydraulic mining — placer mining using a pressurized stream of water. Also called hydraulicking /huy draw li king, drol i king/. [1855 60, Amer.] * * *       use of a powerful jet of water to dislodge minerals present in unconsolidated material, including mine… …   Universalium

  • hydraulic mining — noun : mining by the action of powerful jets of water compare placer mining * * * placer mining using a pressurized stream of water. Also called hydraulicking /huy draw li king, drol i king/. [1855 60, Amer.] * * * hydraulic mining noun… …   Useful english dictionary

  • hydraulic mining — A method of mining free gold wherein a large volume of water is thrown with great force through a pipe or hose upon the sides of a hill, the gold bearing earth and gravel thereby being washed down so that the gold can readily be separated.… …   Ballentine's law dictionary

  • Hydraulic — Hy*drau lic, a. [F. hydraulique, L. hydraulicus, fr. Gr. ?, ?, a water organ; y dwr water + ? flute, pipe. See {Hydra}.] Of or pertaining to hydraulics, or to fluids in motion; conveying, or acting by, water; as, an hydraulic clock, crane, or… …   The Collaborative International Dictionary of English

  • Hydraulic accumulator — Hydraulic Hy*drau lic, a. [F. hydraulique, L. hydraulicus, fr. Gr. ?, ?, a water organ; y dwr water + ? flute, pipe. See {Hydra}.] Of or pertaining to hydraulics, or to fluids in motion; conveying, or acting by, water; as, an hydraulic clock,… …   The Collaborative International Dictionary of English

  • Hydraulic brake — Hydraulic Hy*drau lic, a. [F. hydraulique, L. hydraulicus, fr. Gr. ?, ?, a water organ; y dwr water + ? flute, pipe. See {Hydra}.] Of or pertaining to hydraulics, or to fluids in motion; conveying, or acting by, water; as, an hydraulic clock,… …   The Collaborative International Dictionary of English

  • Hydraulic cement — Hydraulic Hy*drau lic, a. [F. hydraulique, L. hydraulicus, fr. Gr. ?, ?, a water organ; y dwr water + ? flute, pipe. See {Hydra}.] Of or pertaining to hydraulics, or to fluids in motion; conveying, or acting by, water; as, an hydraulic clock,… …   The Collaborative International Dictionary of English

  • Hydraulic elevator — Hydraulic Hy*drau lic, a. [F. hydraulique, L. hydraulicus, fr. Gr. ?, ?, a water organ; y dwr water + ? flute, pipe. See {Hydra}.] Of or pertaining to hydraulics, or to fluids in motion; conveying, or acting by, water; as, an hydraulic clock,… …   The Collaborative International Dictionary of English

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