Crossword Genius

For example bombs audible in island group (10)

Ross

I believe the answer is:

seychelles

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'island group' is the definition.
(I've seen this before)

I can't explain the remainder of the clue.

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(Other definitions for seychelles that I've seen before include "Indian Ocean islands" , "Island country" , "Indian-Ocean islands" , "Group of islands" , "Island group in the western Indian Ocean" .)

I've seen this clue in The Independent.
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