base level
noun Geology.
the lowest level to which running water can erode the land.
Origin of base level
First recorded in 1870–75
Words nearby base level
base head,
base hit,
base hospital,
base jump,
base jumping,
base level,
base line,
base load,
base map,
base metal,
base of heart
Example sentences from the Web for base level
British Dictionary definitions for base level
base level
noun
the lowest level to which a land surface can be eroded by streams, which is, ultimately, sea level