holocube

== English == === Alternative forms === holo cube holo-cube === Etymology === From holo- +‎ cube. === Noun === holocube (plural holocubes) (science fiction) A cube-shaped device that shows or stores holographic pictures. 1978, Charles Sheffield, “The Deimos Plague”, in Stellar Science Fiction Stories, n 4, New York: Del Rey, p 146: He snapped a holo-cube into the projector and switched on. I gasped and shrank back in my seat as a great crustacean sprang into being in front of me, blind, chitinous, rust-red, and malevolent.