V2EX permeability

Permeability

定义 Definition

permeability(名词):指材料或介质允许液体、气体或其他物质通过的能力/程度;也可指系统、边界或组织对信息、人员等“可通过性”(较抽象用法)。

发音 Pronunciation (IPA)

/prmiblti/

例句 Examples

Water moves slowly through clay because it has low permeability.
水在黏土中移动得很慢,因为黏土的渗透性很低。

Engineers measured the soil’s permeability to predict how rainwater would drain and how pollutants might spread.
工程师测量了土壤的渗透性,以预测雨水将如何排水,以及污染物可能如何扩散。

词源 Etymology

来自 permeable(可渗透的)+ -ity(构成名词,表示性质/状态)。permeable 源自拉丁语 permeare,由 *per-*(“穿过”)+ meare(“走、通过”)构成,整体含义就是“能够穿过的”,因此 permeability 表示“可穿过的性质/程度”。

相关词 Related Words

文学作品 Literary Works

  • H. G. Wells《The War of the Worlds》(《世界大战》):作品中涉及“气体/烟雾”等穿透与扩散的描写语境,常与“可穿透性/渗透”这一概念相关。
  • Primo Levi《The Periodic Table》(《元素周期表》):以化学与材料性质为主题的散文集中,常出现与物质性质(含渗透、扩散等)相关的科学语境。
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