Crossword Genius

SI unit of electrical resistance (3)

Ross

I believe the answer is:

ohm

'si unit of electrical resistance' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for ohm that I've seen before include "SI unit of electrical resistance" , "Unit of electrical resistance (3)" , "measure of resistance" , "lawmaker" , "physical unit" .)

I've seen this clue in The Guardian and The Mirror.
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