• synonyms


noun Electricity.
  1. a unit of resistance, equal to one million ohms. Symbol: MΩ; Abbreviation: meg
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Origin of megohm

First recorded in 1865–70; meg- + ohm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for megohm

Historical Examples of megohm

  • If it has a million ohms we say it has a “megohm” of resistance.

    Letters of a Radio-Engineer to His Son

    John Mills

British Dictionary definitions for megohm


  1. one million ohmsSymbol:
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012