civil engineering the maximum angle at which soil will lie in a bank without slipping
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use natural slope in a sentence
There is no escarp, the natural slope of the rampart being carried down to the bottom of the ditch.
"We'll go down the natural slope of the mountain and then work back around the bottom to our lake," said Mr. Waterman.Bob Hunt in Canada | George W. Orton
From the natural slope to seaward of these plains, they are very easily irrigated, and in consequence singularly fertile.A Naturalist's Voyage Round the World | Charles Darwin
In the middle pocket the earth was allowed to take its natural slope back on the floor.Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 | James H. Brace, Francis Mason and S. H. Woodard
From the natural slope to seaward of these plains they are very easily irrigated, and in consequence singularly fertile.