Block proposal for cinematographic technique (4-6)

I believe the answer is:

stop-motion

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'cinematographic technique' is the definition.
The definition suggests a singular noun which matches the answer.

'block proposal' is the wordplay.
'block' becomes 'stop' (synonyms).
'proposal' becomes 'motion' (proposal at a meeting).
'stop'+'motion'='STOP-MOTION'

'for' acts as a link.

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I've seen this clue in The Times.

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