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.
Full Definition of INTERSECTION. 1. : the act or process of intersecting. 2. : a place or area where two or more things (as streets) intersect.3. a: the set of elements common to two or more sets; especially: the set of points common to two geometric configurations b: the operation of finding the intersection of two or more sets. See intersection defined for English-language learners.efinition of INTERSECTION for Kids. 1. 2. : the place or point where two or more things (as streets) meet or cross each other. 3. : the set of mathematical elements common to two or more sets.