🇨🇳Chinese Source WordCode: ZH

表面活性剂

Native Script:中文汉字

Pronunciation / Transliteration: biǎomiàn huóxìng jì

🇬🇧 Direct English Meaning:
Surfactant/sɜːrˈfæk.tənt/
nounCEFR C1 (Advanced)Top #14500 frequency
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🇨🇳 Example Sentence in Chinese:

"肥皂是一种常见的表面活性剂。"

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A substance that tends to reduce the surface tension of a liquid in which it is dissolved, allowing easier spreading and lowering of interfacial tension.

    "The detergent acts as a surfactant to remove grease by breaking water surface tension."
  2. 2

    A wetting agent that alters the surface properties of liquids, widely used in industrial cleaning, foaming, and emulsifying applications.

    "Pulmonary surfactant is critical in medical physiology to prevent alveolar collapse in human lungs."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived as a portmanteau from surface-active agent, combining surface, active, and the chemical suffix -ant. Formed in the mid-20th century within chemical engineering and colloid science to describe compounds that lower surface tension between two liquids or a liquid and a solid.

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