1. Of or relating to an extreme condition in which matter is forced into nonclassical states, as when gravity in a collapsing star crushes electrons and protons together to form neutrons.
2. Of or relating to a quantum computer-coding technique in which two qubits of information are transmitted using one qubit by means of quantum entanglement.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Astronomy) astronomy of or relating to an extreme condition in which matter is forced into nonclassical states, as when electrons are forced into protons, leaving only neutrons: superdense matter.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014