Pronunciation: (kil'u-sī"kul), [key]
a unit equal to 1000 cycles: used esp. in radio as 1000 cycles per second for expressing the frequency of electromagnetic waves; kilohertz. The term kilohertz is now preferred in technical use. Abbr.: kc
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.