What does "hertz" mean?

In the International System of Units, the derived unit of frequency; one (period or cycle of any periodic event) per second.

Hertz

Common synonyms include: audio frequency, cps, cycle, cycle per second, cycles per second, cycles/second.

/hɝts/ name, noun

name, noun ·Rare ·Advanced level

Noun

1
In the International System of Units, the derived unit of frequency; one (period or cycle of any periodic event) per second.
"Each turbogenerator consisted of a steam turbine, powered by 900 psi of superheated steam, that was coupled by a set of reduction gears to a General Electric marine alternating-current generator operating at 1,800 rpm. Each generator had a capacity of 2,000 kilowatts of three-phase power at 450 volts and 60 hertz. The main 450-volt switchboard was energized by the two turbogenerators. The emergency switchboard, in the emergency generator room, was fed from the main switchboard through an electrical tie."
2
Alternative letter-case form of hertz (“Hz”). alt-of, uncountable
3
the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz) wordnet

Proper Noun

"Hertz and Avis are head to head competitors in the car rental business."

Etymology 1

Named after German physicist Heinrich Rudolf Hertz (1857–1894).

Etymology 2

From German Hertz.