资料来源 : pyDict

兆欧姆

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Megohm \Meg"ohm"\, n. [Mega- + ohm.] (Elec.)
   One of the larger measures of electrical resistance,
   amounting to one million ohms.

资料来源 : WordNet®

megohm
     n : a unit of resistance equal to one million ohms