megohm

American

[meg-ohm] / ˈmɛgˌoʊm /

noun

Electricity.

a unit of resistance, equal to one million ohms. MΩ; meg

megohm British

/ ˈmɛɡˌəʊm /

noun

MΩ. one million ohms

"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

Etymology

Origin of megohm

First recorded in 1865–70; meg- ( def. ) + ohm

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Since ten thousand ohms is equal to one-hundredth of a megohm, the time-constant would be equal to one-ten-thousandth of a second, and ten times this time-constant would be equal to a thousandth of a second.

From Project Gutenberg

Convenient multiples and subdivisions of the ohm are the microhm and the megohm, the former being a millionth part of an ohm, and the latter a million ohms.

From Project Gutenberg

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

From Project Gutenberg

Usually I interpose an external resistance varying from one to five megohms according to the sensitiveness of the wire.

From Project Gutenberg

A million ohms, therefore, is called a megohm.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023