Sentence Examples


  • The strata must once have risen above the present surface, and in many cases may be found descending to the surface again with a contrary dip, the intervening portion of the undulation having been worn away.
  • North of the Congo basin and separated from it by a broad undulation of the surface is the basin of Lake Chad - a flat-shored, shallow lake filled principally by the Shari coming from the south-east.
 
 

How would you define undulation? Add your definition here.

comments powered by Disqus