perpetual motion machine of the third kind

perpetual motion machine of the third kind

[pər′pech·ə·wəl ′mō·shən mə‚shēn əvthə ′thərd ‚kīnd]
(physics)
A device which has a component that can continue moving forever; an example is a superconductor.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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