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；