Definition of megohm in English:

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Pronunciation: /ˈmeɡōm/


A unit of electrical resistance equal to one million ohms.
Example sentences
  • His third prototype culminated his design, which, he wrote, is ‘a simple switching gate circuit which produces an AC current; the cycle rate is achieved by the use of two one megohm resistors and a 0.01 microfarad capacitor.’
  • With this megohm meter all you need to do is connect both leads to your motor or device and press and hold the button and view the graph.
  • This inaccurate value is 6.67% higher than the actual parallel resistance of 25 megohms.


Mid 19th century: from mega- (as a unit of measurement) + ohm.

For editors and proofreaders

Syllabification: meg·ohm

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