1. a unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere
行业词典
医学: 〔George S. Ohm,德国物理学家,1787~1854〕欧姆:电阻的公制单位,等于断面为1/4毫米、长106厘米的汞柱的电阻,其符号为;