Definitions
1.NounAny of several physical zones in which the properties, or the behaviour of something undergoes a radical change
The stage in the flow or a fluid during which it changes from laminar to turbulent
The region between the upper and lower mantle characterized by a rapid increase in density
The area between a central business district and residential housing in a city
2.NounThe stage in the flow or a fluid during which it changes from laminar to turbulent
3.NounThe region between the upper and lower mantle characterized by a rapid increase in density
4.NounThe area between a central business district and residential housing in a city