An electrical device, such as a semiconductor or electron tube, through which flow of current is generally restricted to one direction. Diodes are often used in or as rectifiers.
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The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
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