ultrawave

plural ultrawaves

1. literatureA type of radiation, often described as allowing for faster-than-light communication.

   There were short intervals between the reports, for ultrawaves, though traveling at the speed of light, still needed some time to span the tremendous distance.

   1969, K[arl] H[erbert] Scheer, Walter Ernsting, translated by Wendayne Ackerman, Enterprise Stardust, London: Severn House, published 1977, →ISBN, page 28

2. literatureA device capable of receiving or producing ultrawaves.

   Of course, the radio signals came through on the ultrawave every so often, but the pep-talk description of the thrilling contest for endurance racing didn't mean much when I put it up against the facts.

   1975, Lester del Rey, “Habit”, in Early Del Rey, Garden City, N.Y.: Doubleday & Company, Inc., →ISBN, page 41