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The second stage of the erosion cycle in the topographic development of a landscape or region characterized by numerous and closely spaced mature streams, reduction of level surfaces to slopes, large well-defined drainage systems, and the absence of swamps or lakes on the uplands. Also known as topographic maturity.
A stage in the development of a shore or coast that begins with the attainment of a profile of equilibrium.
The extent to which the texture and composition of a clastic sediment approach the ultimate end product.
The stage of stream development at which maximum vigor and efficiency has been reached.
A measure of the developing of strength in concrete; combines the effects of curing temperature and time of hydration.