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density wave |
Also found in: Hutchinson | 0.03 sec. |
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density wave [′den·səd·ē ‚wāv] (physics) A sound wave or other type of material wave which causes the density of the matter through which it passes to alternately rise above and drop below its mean value. 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 bright-white bands at left are the peaks of a density wave induced by the moon Janus. This disturbance is known as a density wave because it draws material together by gravitational attraction. At temperatures within millikelvins of this critical point, the fluid fluctuates rapidly between liquid and vapor, creating density waves. |
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