chromium

noun

chro·​mi·​um ˈkrō-mē-əm 

: a blue-white metallic element found naturally only in combination and used especially in alloys and in electroplating see Chemical Elements Table

Examples of chromium in a Sentence

Recent Examples on the Web

Ash analyses from Lāhainā showed elevated levels of heavy metals including antimony, arsenic, and, in leachate testing, chromium. — Angus Chen, STAT, 22 July 2026

Long used in commercial kitchens for sinks and countertops, steel sinks contain chromium that provides corrosion-resistance and nickel that adds the brightness pure steel lacks. — Mary Marlowe Leverette, The Spruce, 19 July 2026

The model has helped the team build detailed simulations of how chromium specifically corrodes when exposed to FLiNaK salt under different levels of mechanical stress and changes in the orientation of the metal surface. — Ameya Paleja, Interesting Engineering, 14 July 2026

Residents can collect soil samples and deliver them to Boyle Heights City Hall and other locations for an evaluation of lead, arsenic, chromium and mercury levels. — Christopher Buchanan, Los Angeles Times, 8 July 2026

Word History

Etymology

chrome entry 1 + -ium

First Known Use

1807, in the meaning defined above

Phrases Containing chromium

• chromium picolinate

Rhymes for chromium

• ferrochromium
• prostomium

Kids Definition

chromium

noun

chro·​mi·​um ˈkrō-mē-əm 

: a blue-white metallic element found in nature only in combination and used especially in alloys and in chrome plating see element

Medical Definition

chromium

noun

chro·​mi·​um ˈkrō-mē-əm 

: a blue-white metallic element found naturally only in combination and used especially in alloys and in electroplating

—symbol Cr see Chemical Elements Table