bushing
bushing Lexical Profile
bushing Game Scores & Validity
• noun
A cylindrical lining made of metal, rubber, or plastic used inside a mechanical opening to reduce friction, absorb vibration, or constrain the motion of a moving shaft or pin.
"The mechanic replaced the worn rubber bushing in the car's front suspension to stop the rattling noise."
A threaded pipe fitting with internal and external threads of different sizes used to connect two pipes of unequal diameters.
"The plumber installed a brass reducer bushing to join the smaller water supply line to the main pipe."
An insulated liner inserted into a hole in an electrical box or housing to allow a conductor or cable to pass through safely without abrasion or short-circuiting.
"A porcelain bushing insulates the high-voltage conductor where it passes through the grounded metal casing of the transformer."
Word Origin & Etymology
Derived from the noun 'bush' (meaning a metal lining for a round hole), which comes from Dutch 'bus' (box, barrel of a gun, or wheel hub), ultimately from Late Latin 'buxis' (box made of boxwood).