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🇨🇳Chinese Source WordCode: ZH

垫层

Pronunciation / Transliteration: diàn céng

🇬🇧 Direct English Meaning:
Underlayment/ˈʌn.dɚˌleɪ.mənt/
nounCEFR C1 (Advanced)Top #25400 frequency
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🇨🇳 Example Sentence in Chinese:

"铺设木地板之前必须先安装防潮垫层。"

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A layer of material placed between the subfloor and the final floor covering to provide a smooth surface, insulation, moisture protection, or cushioning.

    "The installation crew rolled out a thick foam underlayment before laying down the engineered hardwood flooring."
  2. 2

    A foundational layer of material applied underneath roofing shingles or siding to provide secondary weatherproofing and protection against moisture.

    "High-grade synthetic underlayment was nailed across the entire roof deck to prevent leaks during heavy storms."
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Thesaurus & Semantic Spectrum

Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Formed from the verb 'underlay' (from Old English 'underlecgan', meaning to lay under) combined with the nominal suffix '-ment' denoting a product or instrument. The term emerged in construction and architectural terminology during the late 19th and early 20th centuries to specifically describe foundational layers placed beneath primary flooring or roofing materials.

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