scalar field

noun Mathematics, Physics.
a region with a number assigned at each point.
Compare vector field.


Origin:
1930–35

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Example sentences
If you have a scalar field, you have a certain number defined at each point of
  space.
Dialing down the scalar field to zero everywhere would essentially flatten the
  universe.
It's called a scalar field in the jargon and that's precisely the kind of thing
  you might get from an extra dimension.
The first image shows the scalar field and the points that were picked.
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