isohels
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                  Example Sentences
Example:Isobars and isohels are both used to represent different types of geophysical conditions on a map.
Definition:Contour lines on a map connecting points of equal air pressure.
From isobars
                  Example:Isopachs are similar to isohels but represent thickness rather than depth.
Definition:Contour lines representing equal thicknesses of sedimentary rocks or layers.
From isopachs
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