"dull surface" is a correct and commonly used phrase in written English.
It refers to a surface that lacks shine, luster, or brightness. Example: The old antique table had a dull surface, covered in scratches and worn down by years of use.
I felt Fuelshamed, embarrassed each time I glanced at the band's dull surface and found it illuminated by a lonely red dot, a signal that I wasn't active enough to appease the machine.
Silica gel, a highly porous, noncrystalline form of silica used to remove moisture from gases and liquids, to thicken liquids, to impart a dull surface to paints and synthetic films, and for other purposes.
Occasionally a flicker of guilt passes over a parental face, but it just may be that the parents are being played by seasoned actors, many with careers going back to the '80s, and so can sometimes inject a grain or two of nuance into the glazed, dazed, dull surface of the film.
The dissolution produces a dull surface with a coarse microtexture.
Its dull surfaces seem to eat the light.
The paintings that can include encaustic and sand in addition to oil paint have dull surfaces deliberately.
A 1926 textbook on dressmaking cautioned "stout" women to avoid shiny surfaces because they "make the figure appear larger than do dull surfaces".
Then, starlight glancing off an ocean on the planet's limb will produce a glint that the same light glancing off a dull, rocky surface would not.
He was known in particular for his ability to look at the dull, shapeless surface of a rough stone and discern the finished diamond gleaming within, waiting to be liberated.
The woodcut technique used for many decades in Punch caused the cartoons on the political page, the largest in scale of the cartoons, to be almost invariably dull in surface.
The switch utilized the difference in heat-absorbing properties between a dull black surface and a highly polished one, producing a differential expansion arranged by suitable mechanical linkage to control the main gas valve.
