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

Some particles contained iron, chromium, and manganese closely mixed. — Georgina Jedikovska, Interesting Engineering, 14 Oct. 2026

Pollutants monitored by the permit include arsenic, mercury, chromium, sulfate and zinc, according to the permit application. — Maya Wilkins, Chicago Tribune, 8 Oct. 2026

Additionally, the metal has a non reactive layer of chromium oxide that further inhibits the strong chemical bond necessary for an actual seasoning to develop. — Wilder Davies, Bon Appetit Magazine, 17 Sep. 2026

The testing revealed that many homes were contaminated with unsafe levels of lead, asbestos, chromium, and other toxic substances, the county said. — Melody Petersen, Los Angeles Times, 10 Sep. 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