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solar cells

Cultural  

  1. Devices, usually made of semiconductors, that convert sunlight directly into electric current (see also current). Solar cells power artificial satellites and are often used in remote locations of the Earth.

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At present, solar cells are too expensive and inefficient to be used for commercial generation of electricity.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.