411 REFERENCE · Wiktionary
Hertzian wave
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
en dated en radio wave.
en 1902 w:Rudyard Kipling Wireless Now, this home battery here ready to print is the main steam. The coherer is the valve, always ready to be turned on. The Hertzian wave is the child's hand that turns it.
en eponyms