superhigh frequency: Meaning and Definition of

su'per•high fre'quency

Pronunciation: (s'pur-hī"), [key]
— Radio. Radio.
  1. any frequency between 3000 and 30,000 megahertz. Abbr.: SHF
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.