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

Physicists at The City College of New York have demonstrated microwave-to-optical conversion using chromium sulfide bromide, or CrSBr. — Aamir Khollam, Interesting Engineering, 18 Sep. 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

That behavior comes after testing revealed that many homes still standing are contaminated with lead, asbestos, chromium and other toxic substances, county counsel said. — Austin Turner, CBS News, 9 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