Zinc Meaning: Definition and Examples
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zinc
[zɪŋk ]
Definition
chemical element
Zinc is a chemical element with the symbol Zn and atomic number 30. It is a bluish-white metal that is used in various alloys and as a coating for iron and steel to prevent rusting. Zinc is an essential trace element necessary for human health, as it plays vital roles in immune function, protein synthesis, and wound healing.
Synonyms
none.
Examples of usage
- Zinc is added to steel to prevent corrosion.
- Many supplements contain zinc for immune support.
- The mineral zinc is crucial for growth and development.
Interesting Facts
Science
- Zinc is an essential trace element, meaning our body needs it but only in tiny amounts for proper function.
- It plays a crucial role in over 300 enzymes that help digest food and build proteins.
- This metal is vital for a healthy immune system, assisting in the body’s ability to fight off illnesses.
History
- Zinc was used in ancient times for various purposes, including making brass, which is an alloy of copper and zinc.
- The first known use of zinc for medicine dates back to the 9th century in what is now present-day India.
Industry
- Zinc is widely used for galvanization, a process that protects iron from rusting by coating it with zinc.
- In construction, zinc is popular in roofing and cladding due to its durability and resistance to corrosion.
Health
- Zinc deficiency can lead to symptoms like hair loss, impaired immune function, and slow wound healing.
- Foods rich in zinc include meat, shellfish, legumes, nuts, and whole grains, making it accessible through diet.
Origin of 'zinc'
Main points about word origin
- The word 'zinc' comes from the German word 'Zink', which means 'tooth' – it's named for its sharp, crystalline appearance.
- In early uses, it was known as 'calamine' when found in mineral form, which highlighted its historical medical applications.
The word 'zinc' comes from the German word 'Zink', which is believed to be derived from the Middle High German 'zinc', meaning 'tin'. The use of zinc in metallurgy dates back to around 2500 BC in India and was used in alloys such as brass. In the early 18th century, the British chemist William Champion developed the process of extracting pure zinc from its ores, which led to its industrial production. Zinc became increasingly important in the 19th century as its use in galvanization and alloys expanded. Today, zinc plays a critical role in various industries, including construction, automotive, and electronics.