Crossword Genius

Water vapour (5)

Ross

I believe the answer is:

steam

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">water vapour</span>' is the definition.<br/ ><span class="explanation-format__explanation">(steam from boiling water)</span><br/ ><br/ >This is the entire clue.<br/ ></span>

(Other definitions for steam that I've seen before include "Kettle emission" , "Source of energy" , "comes with a hiss?" , "Gas formed by vaporizing water at 100?C" , "Energy (colloq.)" .)

I've seen this clue in the Sydney Morning Herald, the Canadiana, The Sun, The Guardian, The Telegraph, The Independent and the Evening Standard.
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