| 单词 |
penetrant |
| 释义 |
penetrant
pen·e·trant P0162800 (pĕn′ĭ-trənt)adj. Penetrating; piercing: a penetrant wind.n. Something that penetrates or is capable of penetrating.penetrant (ˈpɛnɪtrənt) adjsharp; penetratingn1. (Chemistry) chem a substance that lowers the surface tension of a liquid and thus causes it to penetrate or be absorbed more easily2. a person or thing that penetratespen•e•trant (ˈpɛn ɪ trənt)
n. 1. a person or thing that penetrates. 2. a lotion, cream, etc., that penetrates the skin. 3. wetting agent. adj. 4. penetrating. [1535–45; < Latin penetrant- (s. of penetrāns), present participle of penetrāre to penetrate; see -ant]
penetrant
penetrant[′pen·ə·trənt] (invertebrate zoology) A large barbed nematocyst that pierces the body of the prey and injects a paralyzing agent. (materials) A liquid with low surface tension, usually containing a dye or fluorescent chemical; when flowed over a metal surface, it is used to determine the existence and extent of cracks and other discontinuities. |
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