Crossword Genius

Teaches ceramicists to become trivialists (13)

Ross

I believe the answer is:

trainspotters

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'become trivialists' is the definition.
I know nothing about this answer so I can't tell whether it can be defined by this definition.

'teaches ceramicists' is the wordplay.
'teaches' becomes 'trains' (training is a kind of teaching).
'ceramicists' becomes 'potters' ('potter' can be a synonym of 'ceramicist').
'trains'+'potters'='TRAINSPOTTERS'

'to' acts as a link.

Can you help me to learn more?

(Another definition for trainspotters that I've seen is " geeks".)

I've seen this clue in the Sydney Morning Herald.
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