Crossword Genius

Mum retails recycled stuff builder needs? (9)

Ross

I believe the answer is:

materials

'stuff builder needs?' is the definition.

'mum retails recycled' is the wordplay.
'mum' becomes 'ma' ('ma' can be a synonym of 'mum').
'recycled' indicates anagramming the letters.
'retails' with letters rearranged gives 'terials'.
'ma'+'terials'='MATERIALS'

(Other definitions for materials that I've seen before include "See 10" , "Substances that go into the making something" , "textiles" , "Items needed to tackle a job" .)

I've seen this clue in The Telegraph.
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