a cover term for various genres of electronically generated music, usually excluding electronic dance music.
electronic devices or technology collectively: Her house, her office, her car—all are loaded with electronica.
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electronic equipment, systems, music, etc, collectively
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012