Dictionary.com
Thesaurus.com

kilocycle

American  
[kil-uh-sahy-kuhl] / ˈkɪl əˌsaɪ kəl /

noun

  1. a unit equal to 1000 cycles: used especially in radio as 1000 cycles per second for expressing the frequency of electromagnetic waves; kilohertz. The term kilohertz is now preferred in technical use. kc


kilocycle British  
/ ˈkɪləʊˌsaɪkəl /

noun

  1. short for kilocycle per second: a former unit of frequency equal to 1 kilohertz

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of kilocycle

First recorded in 1920–25; kilo- + cycle