Cr (Noun)
Meaning
A hard brittle multivalent metallic element; resistant to corrosion and tarnishing.
Classification
Nouns denoting substances.
Examples
- The discovery of a small vein of chromite, the principal ore of the metal, was the starting point for a successful chromium extraction process.
- Chrome, being highly resistant to corrosion and tarnishing, was widely used to manufacture medical instruments and devices.
- When steel alloys containing at least 10.5 percent chromium were discovered, it was the birth of stainless steel, an invention that changed industries forever.
- During World War II, the Axis powers lacked chromium reserves and access to supplies of the strategic metal.
- When first extracted in 1797 by Nicolas-Louis Vauquelin, the mineral properties of the shiny metallic substance of chromium amazed early metallurgists and sparked years of intense scientific interest.