The phrase "a visual appearance" is correct and usable in written English.
It can be used when describing how something looks or its aesthetic qualities.
Example: "The painting has a striking visual appearance that captivates viewers."
Alternatives: "a visual aspect" or "an aesthetic look".
(a) Visual appearance of the microemulsion.
The interested reader is referred to Fig. 6 of [28] for a visual appearance of the DAISY descriptor.
The claims include "an adaptive-imaging engine to dynamically change a visual appearance of the key in accordance with rendering information received from the host computing device".
While this was true for 2/4 (50%) of lesions, the other two tumors were distinctly photopenic and had a visual appearance on 99mTc-sestamibi SPECT/CT identical to that of ccRCC.
This would seem to require two layers of appearance in introspectively attended sensory perception: a visual appearance of the outward object and an introspective appearance of that visual appearance.
As particles increase in diameter from 10 to 60 nm, the peak maximum in their extinction spectra shifts from the blue towards the red, giving media containing such particles a visual appearance that shifts from yellow to red to purple and violet [9].
This paper describes an algorithm which can produce new textures with a matching visual appearance from a given example image.
When a person looks at what he thinks is a physical object, such as a chair, what he is directly apprehending is a sense-datum, a certain visual appearance.
One DoD directive that we cited describes that appearance of endorsement as "a strong visual appearance of a DoD endorsement of the non-federal entity, its event, or its goals".
The hardboard absorbs the oil more than a prepared canvas, thus giving a matte visual appearance.
The molecular depiction now also offers a cleaner visual appearance with more colors and a better layout of complex structures.
