Crossword Genius

Dispersing a thing full of energy (7)

Ross

I believe the answer is:

heating

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'dispersing a thing full of energy' is the definition.
I can't judge whether this definition defines the answer.

'dispersing a thing full of energy' is the wordplay.
'dispersing' indicates anagramming the letters.
'full of' means one lot of letters goes inside another.
'energy' becomes 'e' (physics symbol as in E=mc2).
'a'+'thing'='athing'
'athing' with letters rearranged gives 'hating'.
'hating' placed around 'e' is 'HEATING'.

Can you help me to learn more?

(Other definitions for heating that I've seen before include "Rising in temperature" , "can this be provided centrally?" , "Warming" .)

I've seen this clue in The Guardian.
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