noun
chromium
KROH-mee-um/ˈkrəʊmiəm/
A hard metallic chemical element with atomic number 24.
The chromium sample has a bright, silvery metallic surface.
Etymology
Chromium’s name points to the colorful compounds it forms. The color root thus names the metal through a notable property of its compounds.
In context
For steel to officially earn the right to be called stainless, it needs at least 10.5% chromium. When this metal contacts oxygen, it forms an invisible, incredibly
More examples
- The periodic table gives chromium atomic number 24.
- Several compounds of chromium have vivid colors.
- The laboratory measures the sample's chromium content.
Forms
chromium
Similar words
- chrome
- Chrome is a common commercial name, especially for plating; chromium is the element's formal name.