Word forms: plural diagnoses. variable noun. Diagnosis is the discovery and naming of what is wrong with someone who is ill or with something that is not working properly. I need to have a second test to confirm the diagnosis. Symptoms may not appear for some weeks, so diagnosis can be difficult.
Definition - What does Copper Corrosion mean? Copper corrosion is the corrosion of materials made of copper or copper alloys. With exposure to atmosphere, copper oxidizes, causing bright copper surfaces to tarnish. After a few years, this tarnish gradually changes to dark brown or black, and finally to green.
We all know that copper is a good conductor of electricity and that is why it is used to make electric wires. Most of the electric appliances depend on copper wiring as it is cheaper as well as good conductor of electricity.n earlier days copper was used in making water proof roofing material. The copper carbonate and copper sulfate are highly resistant forms of corrosion. Copper as an alloy with nickel is used in ship building as it is corrosion resistant. Copper is used to protect the building from getting affected by lightning.