ultrashort wave; very high frequency
Technical term in radio engineering; refers to electromagnetic waves with wavelengths between 1 and 10 meters (30–300 MHz).
Ultrashort waves are used for television broadcasting and FM radio.
ultrahigh frequency; UHF; ultrashort waves
Compound of 超 (ultra-) + 短波 (shortwave), literally 'ultra-shortwave'. A calque from English or German technical terminology.