Educated about unchanged lumps (6)

I believe the answer is:
edemas
'educated about unchanged lumps' is the definition.
The definition and answer can be both states of affairs as well as being plural nouns.
Maybe you can see an association between them that I don't see?
This is all the clue.
Can you help me to learn more?
I've seen this clue in The Sunday Times and The Times.
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