What Does the Term Field Signify in Quantum Field Theory?

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What does the word field mean in quantum field theory and all “field" theories in general.
 
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To me, "field" refers to any quantity that is position-dependent.

Claude.
 
Have you read these articles?

http://en.wikipedia.org/wiki/Field_(physics )
http://en.wikipedia.org/wiki/Field_(mathematics )
 
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Thanks guys!
 
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