insulator

/ˈɪnsjuleɪtə(r)/ (bre, ipa) · /ˈɪnsəleɪtər/ (ame, ipa) · /ˈin(t)-sə-ˌlā-tər/ (ame, mw)

insulator — 名詞

  • insulatorsingular
  • insulatorsplural

1. a substance or object that stops or slows the movement of heat, electricity, or

1.名詞B2
釋義

絕緣體

阻止熱、電或聲音通過的物質

a substance or object that stops or slows the movement of heat, electricity, or sound from one place to another

例句

Rubber is a good electrical insulator, so electricians wrap it around wires for safety.

橡膠是良好的電絕緣體，所以電工會用它來包覆電線以確保安全。

collocation: good electrical insulator

Pablo installed foam insulator in his attic to keep the house warm in winter.

Pablo 在天花板裝了泡棉絕緣體，讓房子在冬天保持溫暖。

同義詞
  • non-conductor

    more technical term, almost always for electricity rather than heat or sound

  • insulation

    uncountable mass noun referring to the material itself rather than an individual piece/substance

反義詞
  • conductor

    a substance that allows heat, electricity, or sound to pass through easily

文法句型

[adjective] insulator

insulator + against + [noun]

用法筆記

Can be modified by a preceding noun specifying the type — electrical insulator, thermal insulator, sound insulator. The object or energy being blocked is introduced by against (insulator against heat).

常見錯誤

❌Rubber is an insulation.
✅Rubber is an insulator.
💡insulation is the uncountable material or the process; an insulator is a specific item or substance.