The Greek letter omega is the symbol for this unit of electrical resistance
[DOC] [TLE] Ohm - Wikipedia [PAR] The ohm (symbol: ) is the SI derived unit of electrical resistance, named after 
German ..... Unicode encodes the symbol as U+2126  OHM SIGN, distinct from 
Greek omega among letterlike symbols, but it is only included for backwards... [DOC] [TLE] Omega - Wikipedia [PAR] Omega is the 24th and last letter of the Greek alphabet.