Crossword Genius

Pulsating stuff? (5)

Ross

I believe the answer is:

satin

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

'pulsating stuff?' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps you can see an association between them that I don't see?

'pulsating stuff?' is the wordplay.
'stuff?' indicates the answer is hidden within the clue (I've seen 'stuffing' mean this).
'SATIN' is hidden in the letters of 'pulsating'.

Can you help me to learn more?

(Other definitions for satin that I've seen before include "Smooth glossy fabric" , "Stain on shiny cloth" , "Stain on shiny fabric" , "Silk fabric" , "Lustrous fabric" .)

I've seen this clue in the Evening Standard.
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