ring wall

  • 81dykes ring — A compressionpiston ring which is L shaped when viewed from the end. When installed in the piston the horizontal part fits more deeply in the piston groove while the vertical side rubs against the cylinder wall. This style of ring gives good… …

    Dictionary of automotive terms

  • 82L-section ring — A special piston ring characterized by its L shaped cross section. It is used mostly in high performance two stroke engines. The L section ring allows combustion gas to penetrate behind its vertical section and thus uses the gas pressure to… …

    Dictionary of automotive terms

  • 83oil ring — noun 1. : a seal engravers finger ring having a small receptacle containing a mixture of oil and diamond dust used in replenishing the engraving tool 2. : ring oiler 3. : a piston ring designed to secure proper distribution of lubricating oil… …

    Useful english dictionary

  • 84S-ring — The static part of the bacterial motor: a ring of 15 or 17 subunits (one less or one more than the M ring), anchored to the inner surface of the cell wall …

    Dictionary of molecular biology

  • 85piston ring — n. a thin split ring fitted into a groove around a piston to seal the cylinder, transfer heat, and control cylinder wall lubrication …

    English World dictionary

  • 86piston ring — noun Date: 1867 a springy split metal ring for sealing the gap between a piston and the cylinder wall …

    New Collegiate Dictionary

  • 87P-ring — One of the bushes at the base of the flagellum of Gram negative bacteria, anchoring it in the peptidoglycan layer of the cells wall. Lies below the L ring …

    Dictionary of molecular biology

  • 88Inner Ring Road — (petite ceinture, kleine ceintuur)    The connecting series of boulevards and avenues that encircle the lower town and older sections of the upper town, the inner ring road runs from porte de Hal on the south to place Rogier on the north. They… …

    Historical Dictionary of Brussels

  • 89tracheal ring — n any of the 16 to 20 C shaped bands of highly elastic cartilage which are found as incomplete rings in the anterior two thirds of the tracheal wall and of which there are usu. 6 to 8 in the right bronchus and 9 to 12 in the left …

    Medical dictionary

  • 90piston ring — noun a ring on a piston sealing the gap between the piston and the cylinder wall …

    English new terms dictionary