Crossword Genius

US gas compound is used for measuring magnetic field (5)

Ross

I believe the answer is:

gauss

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'used for measuring magnetic field' is the definition.
I can't judge whether this defines the answer.

'us gas compound' is the wordplay.
'compound' indicates anagramming the letters.
'us'+'gas'='usgas'
'usgas' is an anagram of 'GAUSS'.

'is' acts as a link.

Can you help me to learn more?

(Other definitions for gauss that I've seen before include "Karl Friedrich ---, mathematician" , "German mathematician" , "Physicist" , "Unit of magnetic induction" .)

I've seen this clue in The Hindu.
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