| cave |
A naturally formed opening beneath the surface of the Earth, generally formed by dissolution of carbonate bedrock. Caves may also form by erosion of coastal bedrock, partial melting of glaciers, or solidification of lava into hollow tubes.
출처: college.hmco.com/geology/resources/geologylink/glo...
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| cavitation |
A type of drag on a propeller caused by air bubbles forming near the tips of a propeller that is spinning too fast. This causes inefficiencies and unnecessary wear and tear on the propeller.
출처: www.terrax.org/sailing/glossary/gc.aspx
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| cavitation |
the sequential formation and collapse of vapor bubbles and voids in a liquid subjected to acoustic energy at high frequency and intensity (analgous to thermal boiling but without the associated rise in temperature of the mass of liquid, although localized temperatures on the molecular level can be extremely high).
출처: home.att.net/~Berliner-Ultrasonics/us-gloss.html
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| cavitation |
The boiling of a liquid caused by a decrease in pressure rather than an increase in temperature.
출처: www.flw.com/define_c.htm
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| cavernous hemangioma |
a raised, red or purple mark in the skin, made up of enlarged blood vessels.
출처: www.beaumonthospitals.com/pls/portal30/cportal30.w...
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