Copper can intervene (5)
'copper can intervene' is the definition.
I can't judge whether this definition defines the answer.
'copper can' is the wordplay.
'copper' becomes 'Cu' (Cu is the chemical symbol for copper).
'can' becomes 'tin' (both are metal containers).
'cu'+'tin'='CUTIN'
Can you help me to learn more?
(Another definition for cutin that I've seen is " waxy material in plant".)
'intervene' is the definition.
(thesaurus)
'copper can' is the wordplay.
'copper' becomes 'Cu' (Cu is the chemical symbol for copper).
'can' becomes 'tin' (both are metal containers).
'cu'+'tin'='CUT-IN'
(Other definitions for cut in that I've seen before include "Start to work" , "Interrupt; veer across another vehicle and take its space" , "join traffic dangerously" , "film clip added later" , "Interrupt someone speaking" .)