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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Computer Science An insulated board on which interconnected circuits and components such as microchips are mounted or etched.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A board on which electronic components and their interconnecting circuits are mounted or etched

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities


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