Ground joint
ground ground, imp. & p. p. of {Grind}. [1913 Webster] {ground cock}, a cock, the plug of which is ground into its seat, as distinguished from a compression cock. --Knight.{Ground glass}, glass the transparency of which has been destroyed by having its surface roughened by grinding. -- {Ground joint}, a close joint made by grinding together two pieces, as of metal with emery and oil, or of glass with fine sand and water. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • ground joint — noun : a joint (as between glass parts) of which the contacting surfaces are ground together to a close fit …   Useful english dictionary

  • ground — ground, imp. & p. p. of {Grind}. [1913 Webster] {ground cock}, a cock, the plug of which is ground into its seat, as distinguished from a compression cock. Knight.{Ground glass}, glass the transparency of which has been destroyed by having its… …   The Collaborative International Dictionary of English

  • ground cock — ground ground, imp. & p. p. of {Grind}. [1913 Webster] {ground cock}, a cock, the plug of which is ground into its seat, as distinguished from a compression cock. Knight.{Ground glass}, glass the transparency of which has been destroyed by having …   The Collaborative International Dictionary of English

  • Ground glass — ground ground, imp. & p. p. of {Grind}. [1913 Webster] {ground cock}, a cock, the plug of which is ground into its seat, as distinguished from a compression cock. Knight.{Ground glass}, glass the transparency of which has been destroyed by having …   The Collaborative International Dictionary of English

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