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capillary action |
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capillary action, the process involving molecular adhesion by which the surface of a liquid in a tube is either elevated or depressed, depending on the cohesiveness of the liquid molecules. The more cohesive the molecules, the more depressed will be the surface of the liquid. Less cohesive liquid molecules will adhere to the surfaces of the tube in which they are contained and elevate the surface of the liquid. Also called capillary attraction, capillarity. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The solvents have a low viscosity, which allows capillary action to draw the lubricants deep into the threads of corroded bolts. Since slabs are made of concrete, which is a porous material that likes to wick water via capillary action (refer to the celery and food coloring experiment in elementary school). When dipped into water, capillary action (process by which water molecules are attracted to the tube's molecules) pulls water into the pores. |
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