Crossword Genius

Stuff that makes a bad stain (5)

Ross

I believe the answer is:

satin

I'm a little stuck... Click here to teach me more about this clue!

'stuff that' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe there's a link between them I don't understand?

'a bad stain' is the wordplay.
'a bad' indicates an anagram.
'stain' with letters rearranged gives 'SATIN'.

'makes' acts as a link.

Can you help me to learn more?

(Other definitions for satin that I've seen before include "Smooth glossy fabric" , "Stain on silky cloth" , "covered with?" , "Stain on shiny cloth" , "Glossy textile" .)

I've seen this clue in the Evening Standard.
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