Gustav hertz

[hurts, hairts; German herts] /hɜrts, hɛərts; German hɛrts/

noun
1.
Gustav
[goo s-tahf] /ˈgʊs tɑf/ (Show IPA), 1887–1975, German physicist: Nobel Prize 1925.
2.
Heinrich Rudolph
[hahyn-rikh roo-dawlf] /ˈhaɪn rɪx ˈru dɔlf/ (Show IPA), 1857–94, German physicist.
/hɜːts/
noun (pl) hertz
1.
the derived SI unit of frequency; the frequency of a periodic phenomenon that has a periodic time of 1 second; 1 cycle per second Hz
/hɜːts; German hɛrts/
noun
1.
Gustav (ˈɡʊstaf). 1887–1975, German atomic physicist. He provided evidence for the quantum theory by his research with Franck on the effects produced by bombarding atoms with electrons: they shared the Nobel prize for physics (1925)
2.
Heinrich Rudolph (ˈhainrɪç ˈruːdɔlf). 1857–94, German physicist. He was the first to produce electromagnetic waves artificially

unit of frequency equal to one cycle per second, 1928, named in reference to German physicist Heinrich Hertz (1857-1894).

hertz (hûrts)
n. pl. hertz
Abbr. Hz
A unit of frequency equal to 1 cycle per second.
hertz
(hûrts)

The SI derived unit used to measure the frequency of vibrations and waves, such as sound waves and electromagnetic waves. One hertz is equal to one cycle per second. The hertz is named after German physicist Heinrich Hertz (1857-1894).
hertz [(hurts)]

The international unit of frequency: one cycle per second. The abbreviation for hertz is Hz.

Note: Household current in the United States is sixty hertz.