ohm
/əʊm/noun
- the SI unit of electrical resistance, transmitting a current of one ampere when subjected to a potential difference of one volt. (Symbol: Ω)欧姆（电阻单位, 符号： Ω）。
派生词
ohmic
adjectiveohmically
adverb词源
mid 19th cent.: named after G. S. Ohm.