Crossword Genius

Gas inside the new bottle (6)

Ross

I believe the answer is:

ethene

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

'gas inside the new bottle' is the definition.
I can't tell whether this definition defines the answer.

'inside the new bottle' is the wordplay.
'bottle' indicates a hidden word (I've seen 'bottles' mean this (bottling is a kind of containing)).
'ETHENE' can be found hidden inside 'inside the new'.

Can you help me to learn more?

(Another definition for ethene that I've seen is " Compound".)

I've seen this clue in The Hindu.
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