The American Heritage® Dictionary of the English Language, 4th Edition
adj. 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, or the matter is compressed beyond this point into a singularity.
adj. Having an information density of two classical bits per qubit, made possible by a shared entanglement state between sender and recipient.
adj. More dense than ordinary matter.
Word Usage
"Elsewhere in the universe, people collect children from their parents with promises of virtual heaven, then ship them off via a superdense datalink as bodiless intelligences, to spin code in the software farms of space."