English Lexicon

Thermal Insulation

/ˈθɜːr.məl ˌɪn.səˈleɪ.ʃən/
nounCEFR B2 (Upper)Top #1500 frequency
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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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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'thermal insulation' combines 'thermal', derived from the Greek 'thermos' meaning 'heat', and 'insulation', from the Latin 'insulatio', meaning 'to make into an island'. Historically, the concept evolved from basic heat retention methods to advanced materials used in modern construction.

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