Wiktionary
a. Having, or relating to, a very short wavelength.
Usage examples of "ultrashortwave".
The two landers were supposed to signal—in the ultrashortwave band—when they were outside the orbit of the drifting fragments of the Moon, but only one did clearly: the other sent a gibberish of codes.
In an excited moment the night before he had forgotten himself and emitted a brief blast ultrashortwave radiation, which had heated up Nita’s backyard a good bit, ionized the air for miles around, and produced a local but brilliant ai (Well, it’s an old habit, and old habits die hard.
In an excited n* ment the night before he had forgotten himself and emitted a brief blast ultrashortwave radiation, which had heated up Nita's backyard a good ^œ ionized the air for miles around, and produced a local but brilliant ai (Well, it's an old habit, and old habits die hard.