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🇯🇵Japanese Source WordCode: JA

断熱材

Pronunciation / Transliteration: dannetsuzai

🇬🇧 Direct English Meaning:
Thermal insulation/ˈθɜːrməl ˌɪnsəˈleɪʃən/
nounCEFR B2 (Upper)Top #4120 frequency
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🇯🇵 Example Sentence in Japanese:

"断熱材はエネルギー効率を向上させます。"

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    Material or method used to reduce the transfer of heat.

    "The building's energy efficiency improved significantly after the installation of high-quality thermal insulation."
  2. 2

    The act of insulating to prevent heat loss or gain.

    "Proper thermal insulation is essential for maintaining comfortable indoor temperatures."
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Thesaurus & Semantic Spectrum

Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term combines 'thermal' derived from Ancient Greek 'thermos' (meaning hot), and 'insulation' originating from the Latin 'insula' (meaning island), via 18th-century French technical contexts. Over time, it evolved from electrical and general physical separation concepts to specifically describe the reduction of heat transfer in building and industrial engineering.

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