1. The SI unit of frequency , equal to one cycle per second. Note: A periodic phenomenon that has a period of one second has a frequency of one hertz. ( 188 ) 2. A unit of frequency which is equivalent to one cycle per second. [ NTIA ]
HERTZ (HZ)
Meaning of HERTZ (HZ) in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012