| Wilhelmy balance | A device for measuring surface tension in terms of the pull exerted on a thin plate of platinum or other material suspended vertically through the surface; used in a Langmuir trough to study pulmonary surfactant. (05 Mar 2000) |
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| Wilhelmy, Ludwig | <person> German scientist, 1812-1864. See: Wilhelmy balance. (05 Mar 2000) |