V2EX airtightness

Airtightness

释义 Definition

airtightness 指“气密性不透气性”,即材料、结构或容器阻止空气(或气体)泄漏或渗透的能力。常见于建筑节能、包装、工程密封等语境。

发音 Pronunciation(IPA)

/ertat.ns/

例句 Examples

The airtightness of the jar keeps the cookies fresh.
罐子的气密性让饼干保持新鲜。

Improving the building’s airtightness can reduce heat loss and lower energy bills in winter.
提高建筑的气密性可以减少热量流失,并在冬季降低能源账单。

词源 Etymology

airtight(“不透气的、密封的”)+ 名词后缀 -ness(表示“性质、状态”)构成,字面意思就是“达到密封不漏气的状态”。其中 air(空气)+ tight(紧的、严密的)体现“把空气严密地关住/挡住”。

相关词 Related Words

文学作品 Literary Works

在传统英美文学名著中,airtightness 作为技术性名词出现频率相对较低;更常见的是 airtight(比喻“无懈可击的”)或 sealed 等词。在现代非虚构写作与技术类书籍中更常用于讨论建筑外壳性能、密封工艺与包装保存等主题。

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