kilocycle

[kil-uh-sahy-kuh l] /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.
Abbreviation: kc.
Origin
1920-25; kilo- + cycle
British Dictionary definitions for kilocycle

kilocycle

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