EntityQ5198171· pop 7· linked from 140 articlescycle per secondhistoric synonym for hertz, the unit of frequencyConnectionssoundEntityInternational System of UnitsEntityfrequencyEntityHeinrich HertzEntityhertzEntityrevolutions per minuteEntityreciprocating engineEntitymachine pressEntitycrystal oscillatorEntityturnEntityMKS system of unitsEntityinstructions per secondEntityradian per secondEntityspatial frequencyEntityinstructions per cycleEntityreciprocating motionEntityQSTEntitycycles per instructionEntitytube socket and valve baseEntitycounts per minuteEntityCategoriesUnits of frequency