bushing

• IPA^(key): /ˈbʊʃ.ɪŋ/

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• Rhymes: -ʊʃɪŋ
• Hyphenation: bush‧ing

From bush (“metal lining of the axle hole of a wheel or touch hole of a gun”) +‎ -ing.

bushing (plural bushings)

1. (mechanical engineering) A type of bearing, a cylindrical lining designed to reduce friction and wear inside a hole, often used as a casing for a shaft, pin or hinge.
2. (mechanical engineering) An elastic bearing used as a type of vibration isolator, commonly made of rubber. An interface between two parts, damping the movement and the energy transmitted.
3. (mechanical engineering) A threaded bushing: a fastener element that is inserted into an object, usually to add a threaded hole in a softer or thin material.
4. (electrical engineering) A lining for an opening through which a conductor passes, providing insulation and mechanical protection for the conductor.
5. An adapter for joining pipes of different size.

See the etymology of the corresponding lemma form.

bushing

1. present participle and gerund of bush