insulation
CEFR: B2
A dielectric material (such as gutta-percha or plastic) wrapped around electrical wires to prevent the unwanted dissipation or leakage of current.
Synonyms
- dielectric barrier
- thermal lagging
Common Collocations
- thermal insulation
- sound insulation
- electrical insulation
Example Sentence
Gutta-percha, a natural Malaysian tree resin, provided durable waterproofing and electrical insulation for deep-sea cables.