bushing

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. an insulating liner in an opening through which conductors pass
• Derivationally related forms:
bush
• Hypernyms:
insulator, dielectric, nonconductor
2. a cylindrical metal lining used to reduce friction
• Syn:
cylindrical lining
• Derivationally related forms:
bush
• Hypernyms:
lining, liner