Pretty thin stuff (5)

I believe the answer is:

voile

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

This is all the clue.

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(Other definitions for voile that I've seen before include "Light semi-transparent fabric" , "fine material" , "Sheer fabric" .)

I've seen this clue in the Evening Standard.

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