| 单词 | surface tension |
| 释义 | surface tension (once / 105530 pages) n Surface tension is a chemical phenomenon that happens at the surface of a liquid where the liquid becomes denser than the rest. The surface is the outside of something: the visible or outer part, like your skin. Tension is an action that makes something tighter, like if you tense a muscle. So surface tension is something that happens to liquids when the surface becomes more tense or solid than the rest of the liquid, due to intermolecular forces. A bug can walk across a pond because of surface tension. WORD FAMILYsurface tension USAGE EXAMPLESThis reduces the surface tension that would otherwise cause a water droplet to cling on. Economist(Dec 01, 2016) The second movement, “Surface Tension,” is more overtly combative, though often in a playful way. New York Times(Nov 18, 2016) Professor Keller found that teapots drip not because of surface tension on the pot but because of principles of liquid flow and air pressure. New York Times(Sep 16, 2016) n a phenomenon at the surface of a liquid caused by intermolecular forces Hypo|Hyper capillarity, capillary action a phenomenon associated with surface tension and resulting in the elevation or depression of liquids in capillaries interfacial surface tension, interfacial tensionsurface tension at the surface separating two non-miscible liquids physical phenomenon a natural phenomenon involving the physical properties of matter and energy |
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