Crossword Genius

What “decreases” rations — me unfortunately (5,4)

Ross

I believe the answer is:

steam iron

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'what decreases' is the definition.
I can't tell whether this defines the answer.

'rations me unfortunately' is the wordplay.
'unfortunately' is an anagram indicator (a bad or unfortunate spelling).
'rations'+'me'='rationsme'
'rationsme' with letters rearranged gives 'STEAM IRON'.

Can you help me to learn more?

(Other definitions for steam iron that I've seen before include "Clothes finisher" , "Clothes presser" , "Domestic smoother" , "Tool that dampens and presses" , "Appliance for pressing" .)

I've seen this clue in The Times.
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