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'''Ground''' is the surface of the [[Earth]]. It is [[soil]], a mixture of sand and organic material present on the surface.
'''Ground''' is the surface of the [[Earth]]. It is [[soil]], a mixture of sand and organic material present on the surface.
In electronics, 'ground' refers to the zero-volt potential, relative to which all others are measured.
Ground is also the [[past participle]] of 'grind'. As Alice remarks in [[Lewis Carroll]]'s ''Through the Looking Glass'', [[flour]] is ground.
[[Category:Dictionary]]
[[Category:Dictionary]]