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Definitions from the Web

Oxidation Scum

Description

Oxidation scum refers to the thin layer of metallic compounds that forms on the surface of a material when it is exposed to oxygen or other oxidizing agents. It is commonly seen on metals like copper, bronze, or iron as a result of their reaction with the atmosphere.

Senses and Usages

1. Noun (Chemistry)

In chemistry, oxidation scum is the residue that appears as a result of the oxidation process, specifically on metals. It is usually composed of oxides or hydroxides formed by the reaction between the metal and the oxygen present in the surrounding environment.

Example sentence: The oxidation scum on the old bronze statue gave it a weathered and antiquated appearance.

2. Noun (Environment)

In the context of the environment, oxidation scum can refer to the accumulation of organic matter or algae on the surface of bodies of water. This scum is caused by pollution or excessive nutrients, leading to an increase in the growth of algae and other microorganisms.

Example sentence: The oxidation scum floating on the pond indicated high levels of pollution in the water.

3. Noun (Metallurgy)

In metallurgy, oxidation scum refers to the impurities or by-products that form on the surface of molten metals during the smelting or refining process. These scums need to be removed in order to obtain pure, high-quality metal.

Example sentence: The skilled blacksmith skillfully skimmed off the oxidation scum floating on the molten iron, leaving behind a purer metal.

4. Noun (Common Usage)

In everyday language, oxidation scum can be used more broadly to describe any unsightly or undesirable layer of material that accumulates on a surface due to oxidation or similar processes.

Example sentence: The neglected metal fence was covered in a thick layer of oxidation scum, making it rusty and unappealing.

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