The phrase "a diffuse area" is correct and usable in written English.
It can be used to describe a space or region that is spread out or not concentrated in one specific location.
Example: "The research focused on a diffuse area of the forest where various species of plants thrived."
Alternatives: "a scattered region" or "a dispersed zone."
Furthermore, if the source is distributed over a diffuse area, the coherency function will be low.
The white arrows show a diffuse area of decreased signal in the left peripheral zone on T2-weighted imaging (a), and a mild restriction in the ADC map (b) and diffuse contrast uptake (c and d); these findings are consistent with prostatitis.
By the following day, the National Hurricane Center NHCC) began monitoring a broad weather disturbance to the northeast of the Leeward Islands, characterized by a diffuse area of low pressure producing scattered thunderstorm activity.
The amygdala-hippocampal transition zone appears as a diffuse area of gray matter between the anterior portion of the hippocampus and the posterior portion of the amygdala; as with the fimbria, this area was transected at its narrowest point, which was usually found between the inferior lateral ventricles and the cistern.
In this scenario, the tractive forces responsible for these retinal holes are not localized in a single point but spread throughout a diffuse area.
The Garbage Patch, as it's so called, isn't a patch at all, but rather a very diffuse area of plastic pollution that manifests more like a plastic soup, rather than some mythical Texas-sized island.
The GAM map shows a broad, diffuse area of increased risk (odds ratios (ORs) roughly 2.0) along the coast and periphery in the northern Cape Cod area.
A callus presents as a broad-based diffuse area of hard growth with relatively even thickness, usually at the ball of the foot.
The borough of Lewisham is a diverse and diffuse area of south-east London.
Unlike the fight over the Arctic refuge, an iconic place in the midst of a national debate, the Rocky Mountain energy battles will be fought in some cases in little-known places across a diffuse geographic area.
The large brainstem response to levodopa or dopamine agonists has been reported in various species, and involves a diffuse midbrain area even when assessed at much higher image resolution using [14C]2-deoxyglucose and ex vivo film autoradiography (Trugman and Wooten, 1986; Grasby et al, 1993; Kapur et al, 1994; Hershey et al, 2000; Black et al, 2000).
