The phrase "a set area" is correct and usable in written English.
It can be used to refer to a specific, defined space or location that has been established for a particular purpose.
Example: "The event will take place in a set area designated for outdoor activities."
Alternatives: "a designated area" or "a defined area".
While spread out around the globe, much of this rubbish accumulates in five large ocean gyres, which are circular currents that churn up plastics in a set area.
The company has built self-flying drones that can move around a set area and detect/record intruders or move about to physically stop them.
Aptonomy's drones rove over a set area, and can be accessed by a guard who is hundreds or thousands of miles away.
In seasonal pollen-related disease, there are variations between subjects in the extent of pollen sensitization, individual variations in exposure to pollen even within a set area because of lifestyle differences, and variations between different areas in pollen counts and weather patterns.
The number of BrdU-positive cells in the neural tube was counted in a set area on both sides of Plxdc2GFP expression and normalised to total cell number as marked by DAPI staining for both the floor plate (Fig. 10a) and the cortical hem (Fig. 10b).
Figure 2 suggests that the single activity items form a set area within the space occupied by usual activities, which in turn takes up a given area of the larger total space representing the global measures of health status.
Users are also given a link to a setting area where default options can be changed, or opted out entirely.
10 randomly-selected fish were removed from their holding tank in covered buckets and tipped gently into a setting area at one end of a well lit tank (1.5×1 m).
The network area is discretized into a set of area elements with an edge length of m.
Australian GP supply data at the level of the postal area is regressed on a set of area characteristics.
"It is a blanket ban in a set geographical area," he said.
