ULTRASHORT


Meaning of ULTRASHORT in English

/ ˌʌltrəˈʃɔːt; NAmE -ˈʃɔːrt/ adjective

( of radio waves ) having a very short wavelength (shorter than 10 metres), with a frequency greater than 30 megahertz

—compare long wave , medium wave , short wave

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.