ultrashort Syllabification: (ul·tra·short)Pronunciation: /ˌəltrəˈSHôrt/Definition of ultrashort adjective (of radio waves) having a wavelength significantly shorter than that of the usual shortwaves, in particular shorter than 10 meters (i.e., of a VHF frequency above 30 MHz). ultrashort in other Oxford dictionaries Definition of ultrashort in the British & World English dictionary
