noun ab·ohm \(ˈ)aˈbōm\

Definition of abohm



  1. :  the cgs electromagnetic unit of resistance equal to one billionth of an ohm that measures the resistance of a conductor that with a constant current of one abampere flowing through it maintains between its terminals a potential difference of one abvolt

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of abohm

2ab- + ohm

First Known Use: 1906

Seen and Heard

What made you want to look up abohm? Please tell us where you read or heard it (including the quote, if possible).


to criticize severely

Get Word of the Day daily email!