hertz 
(hûrts)
(hûrts)n. pl. hertz Abbr. Hz
A unit of frequency equal to one cycle per second. See Table at measurement.
[After Heinrich Rudolf Hertz.]
- irresponsiveness
- irretrievability
- irretrievable
- irretrievableness
- irretrievably
- irreverence
- irreverent
- irreverently
- irreversibility
- irreversible
- irreversibleness
- irreversibly
- irrevocability
- irrevocable
- irrevocableness
- irrevocably
- irrigable
- irrigate
- irrigation
- irrigational
- irrigator
- irritability
- irritable
- irritable bowel syndrome
- irritableness