/ Dictionary / Index V very low frequency: Meaning and Definition of Find definitions for: ver'y low" fre'quency Pronunciation: [key] any frequency between 3 and 30 kilohertz. Abbr.: VLF Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. very long baseline interferometry Very Reverend Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language