from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any engine that converts energy from the sun into electrical, or mechanical energy; especially such an engine used for the propulsion of a spacecraft

from the GNU version of the Collaborative International Dictionary of English

  • adj. an engine in which the energy of solar heat is used to produce motion, as in evaporating water for a steam engine, or expanding air for an air engine.


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