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## Main Question or Discussion Point

I've been reading about Quantum Field Theory. It strikes me that since the 1920's, physicists have changed the name "wave" to "field". I can't tell the difference between today's "fields" and what was described a "wave" in quantum theory in the early 1900's.

So in quantum physics, is there a difference between a wave and a field, (and if so, what is the difference), or are the two words interchangeable? (Would it be possible to answer in layman's terms please).

Many thanks

So in quantum physics, is there a difference between a wave and a field, (and if so, what is the difference), or are the two words interchangeable? (Would it be possible to answer in layman's terms please).

Many thanks