The practice of looking after number one? (7)
I believe the answer is:
urology
This could be a double definition.
'the practice' is the first definition.
The definition and answer can be both related to thinking as well as being singular nouns.
Perhaps they are linked in a way I don't understand?
'looking after number one?' is the second definition.
Although both the answer and definition are singular nouns, I don't see how one could define the other.
'of' is the link.
Can you help me to learn more?
I've seen this clue in The Independent.
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