hertz /hɜːts $ hɜːrts/ BrE AmE noun ( plural hertz ) [countable] ( written abbreviation Hz )
[ Date: 1800-1900 ; Origin: Heinrich Hertz (1857-94), German scientist who worked on energy waves ]
a unit for measuring the ↑ frequency of ↑ sound wave s
hertz /hɜːts $ hɜːrts/ BrE AmE noun ( plural hertz ) [countable] ( written abbreviation Hz )
[ Date: 1800-1900 ; Origin: Heinrich Hertz (1857-94), German scientist who worked on energy waves ]
a unit for measuring the ↑ frequency of ↑ sound wave s
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012