ohm Syllabification: (ohm)Pronunciation: /ōm/Definition of ohm noun the SI unit of electrical resistance, expressing the resistance in a circuit transmitting a current of one ampere when subjected to a potential difference of one volt. (Symbol: Ω)Derivatives ohmicPronunciation: /ˈōmik/ adjective ohmicallyPronunciation: /ˈōmik(ə)lē/ adverb Origin: mid 19th century: named after G. S. Ohm (see Ohm, Georg)ohm in other Oxford dictionaries Definition of ohm in the British & World English dictionary
