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

Their case alleged that thousands of gallons of water runoff from the system, containing pollutants like cyanide, copper, and chromium, have spilled into sensitive local waterways, according to government documents obtained by NPR. —Henry Gass, The Christian Science Monitor, 13 Oct. 2024

Ultimately, the program identified an alloy consisting of specific proportions of ruthenium, chromium, and titanium. —New Atlas, 2 Sep. 2024

So, each stone's elemental structure – such as the presence (or lack) of iron, titanium or chromium – will contribute to its unique coloring. —Olivia Munson, USA TODAY, 1 Sep. 2024

But chromium is present in the crust and might have leached into the layer and contaminated it. —Byadam Mann, science.org, 15 Aug. 2024

Word History

Etymology

chrome entry 1 + -ium

First Known Use

1807, in the meaning defined above

Phrases Containing chromium

• chromium picolinate

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