Large tank destroyed megastore (9)

I believe the answer is:

gasometer

'large tank' is the definition.

'destroyed megastore' is the wordplay.
'destroyed' indicates an anagram.
'megastore' anagrammed gives 'GASOMETER'.

(Other definitions for gasometer that I've seen before include "Large fuel tank" , "Game store (anag) - fuel store" , "Fuel storage tank" , "source of fuel" , "could be seen by the Oval" .)

I've seen this clue in The Independent.

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