ground surface

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• Surface grinding — is used to produce a smooth finish on flat surfaces. It is a widely used abrasive machining process in which a spinning wheel covered in rough particles (grinding wheel) cuts chips of metallic or non metallic substance from a workpiece, making a… …   Wikipedia

• ground glass — ► NOUN 1) glass with a smooth ground surface that makes it non transparent. 2) glass ground into an abrasive powder …   English terms dictionary

• ground glass — noun 1. glass that diffuses light due to a rough surface produced by abrasion or etching (Freq. 1) • Hypernyms: ↑glass 2. particulate glass made by grinding and used as an abrasive • Hypernyms: ↑glass * * * noun 1. : glass whos …   Useful english dictionary

• Ground loop (aviation) — In aviation, a ground loop refers to the rapid rotation of a fixed wing aircraft in the horizontal plane whilst on the ground. Aerodynamic and centrifugal forcesFact|date=April 2008 may cause one wing to rise, which may then cause the other… …   Wikipedia

• ground — {{11}}ground (adj.) reduced to fine particles by grinding, 1765, pp. adjective from GRIND (Cf. grind). {{12}}ground (n.) O.E. grund bottom, foundation, ground, surface of the earth, especially bottom of the sea (a sense preserved in run aground) …   Etymology dictionary

• ground glass — noun 1》 glass with a smooth ground surface that renders it non transparent. 2》 glass ground into an abrasive powder …   English new terms dictionary

• surface runoff —    That part of runoff traveling over the ground surface and through channels [16] …   Lexicon of Cave and Karst Terminology

• surface creep — noun : a stage in the wind erosion process in which sand grains are moved along the ground surface by impact of other grains in saltation …   Useful english dictionary

• ground — (ground), n. [OE. ground, grund, AS. grund; akin to D. grond, OS., G., Sw., & Dan. grund, Icel. grunnr bottom, Goth. grundus (in composition); perh. orig. meaning, dust, gravel, and if so perh. akin to E. grind.] 1. The surface of the earth; the… …   The Collaborative International Dictionary of English

• Ground angling — ground ground (ground), n. [OE. ground, grund, AS. grund; akin to D. grond, OS., G., Sw., & Dan. grund, Icel. grunnr bottom, Goth. grundus (in composition); perh. orig. meaning, dust, gravel, and if so perh. akin to E. grind.] 1. The surface of… …   The Collaborative International Dictionary of English

• Ground annual — ground ground (ground), n. [OE. ground, grund, AS. grund; akin to D. grond, OS., G., Sw., & Dan. grund, Icel. grunnr bottom, Goth. grundus (in composition); perh. orig. meaning, dust, gravel, and if so perh. akin to E. grind.] 1. The surface of… …   The Collaborative International Dictionary of English