high frequency definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any radio frequency between 3 and 30 megahertz
high frequency definition by American Heritage Dictionary
noun Abbr. HFThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A radio frequency in the range between 3 and 30 megahertz.
high frequency - Computer Definition