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.
Copper and lead can be toxic and can leach. into tap water in older or in new homes. This. leaching is caused by corrosion. Copper contamination can cause. gastrointestinal problems in the short term and. damage the liver and kidneys over time. Lead contamination can cause physical and.