Crossword Genius

Oxygen, for one (7)

Ross

I think it could be either:

Which length description are you looking for?:

3

7

element

'oxygen for one' is the definition.
(oxygen is a kind of element)

This is all the clue.

(Other definitions for element that I've seen before include "part of cooker" , "Constituent of universe" , "Constituent part (7)" , "part of a toaster" , "Fundamental part of whole" .)

I've seen this clue in the Sydney Morning Herald.
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