Silt. Silt is granular material of a size somewhere between sand and clay whose mineral origin is quartz and feldspar. Silt may occur as a soil or as suspended sediment in a surface water body. It may also exist as soil deposited at the bottom of a water body.
In North America, a grade-separated junction may be referred to as a grade separation or as an interchange â in contrast with an intersection, at-grade, a diamond crossing or a level crossing, which are not grade-separated. 1 Effects.
noun. 1 A point or line common to lines or surfaces that intersect: the intersection of a plane and a cone. More example sentences. Synonyms. 1  Through that point draw a horizontal line to the intersection with the hypotenuse..1 A point at which two or more things intersect, especially a road junction: a red light at the intersection with Brompton Road. More example sentences. Synonyms. 1  Different models were explored to estimate the accident rate at road intersections.