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penetrant |
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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. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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