Crossword Genius

Similar doctor arrested by dodgy Irish cop (10)

Ross

I believe the answer is:

isomorphic

I'm a little stuck... Click here to teach me more about this clue!

'similar' is the definition.
Both the definition and answer are adjectives.
Maybe they are linked in a way I don't understand?

'doctor arrested by dodgy irish cop' is the wordplay.
I cannot really understand how this works, but
'doctor' could be 'mo' (medical officer) and 'mo' is located in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

I've seen this clue in The Guardian.
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