The phrase "a hot surface" is correct and usable in written English.
It can be used to describe a surface that has a high temperature, often in contexts related to cooking, safety, or physics.
Example: "Be careful when placing your hand on the stove; it has a hot surface that can cause burns."
Alternatives: "a heated surface" or "a warm surface".
"It sprayed oil onto a hot surface and caught on fire," the official, Lt. Cmdr.
If power-steering fluid touches a hot surface, it can catch fire.
Acute pain can arise from breaking a bone or touching a hot surface.
Here's another -- not from Abu Ghraib: A detainee "had been hooded, handcuffed in the back, and made to lie face down, on a hot surface during transportation.
Both of us trained our binoculars and it occurred that the woodpecker was unnaturally hopping about like it was treading on a hot surface.
Reflexes proper, or reflex-arc movements, include responses such as the immediate withdrawal of the hand on touching a hot surface.
This affects the grip of the tires, which have more grip on a hotter surface, and it also affects air pressure, which in turn affects the engines, meaning that teams must have careful engine management.
The crumb rubber and plastic grass blades can lead to abrasions and turf burns, and because the fields can reach a hotter surface temperature, athletes are more at risk of overheating and dehydration.
The color index, B−V, is the difference between the magnitude of the star in blue light, or B, and the magnitude in visual light (green-yellow), or V. Large positive values indicate a red star with a cool surface temperature, while negative values imply a blue star with a hotter surface.
In Figure 1, the bright area under the closed door indicates a hotter surface temperature than the surrounding area, suggesting that this is where heat is leaking from the house.
After verifying the technique for 1-D freely propagating adiabatic flames, the improved model is used to study 2-D flame propagation in the presence of a thermal plume initiated by a hot-surface.
